H I T F E T TM - B T S 3 0 1 1 T E
Smart Low-Si de Power Switch
1
Overview
Features
•
Single channel device
•
Digital Feedback
•
Current limitation trigger concept
•
3.3 and 5 V compatible logic inputs
•
Electrostatic discharge protection (ESD)
•
Green Product (RoHS compliant)
•
AEC Qualified
Applications
•
Suitable for resistive, inductive and capacitive loads
•
Replaces electromechanical relays, fuses and discrete circuits
•
Most suitable for inductive loads as well as loads with inrush currents
Description
The BTS3011TE is a 11 mΩ single channel Smart Low-Side Power Switch with in a PG-TO252-5 package
providing embedded protective functions. The power transistor is built by an N-channel vertical power
MOSFET.
The device is monolithically integrated. The BTS3011TE is automotive qualified and is optimized for 12 V
automotive and industrial applications.
Type
Package
Marking
BTS3011TE
PG-TO252-5
S3011TE
Table 1
Product Summary
Operating voltage range
VOUT
3 .. 28 V
Maximum battery voltage
VBAT(LD)
40 V
Operating supply voltage range
VDD
3.0 .. 5.5 V
Maximum input voltage
VIN
5.5 V
Maximum On-State resistance at Tj = 150 °C, VDD = 5 V, VIN = 5 V RDS(ON)_150
22 mΩ
Nominal load current
IL(NOM)
10 A
Minimum current limitation trigger level
IL(LIM)_TRIGGER
70 A
Datasheet
www.infineon.com/hitfet
1
Rev. 1.0
2018-07-19
HITFETTM - BTS3011TE
Smart Low-Side Power Switch
Overview
Table 1
Product Summary (cont’d)
Minimum current limitation level
IL(LIM)
35 A
Maximum OFF state load current at TJ ≤ 85 °C
IL(OFF)_85
3 µA
Maximum stand-by supply current at TJ ≤ 85 °C
IDD(OFF)_85
6 µA
Diagnostic Functions
•
Short circuit to battery
•
Over temperature
•
Stable latching diagnostic signal
Protection Functions
•
Over temperature shutdown with delayed auto restart
•
Active clamp over voltage protection of the OUTput
•
Current limitation with current limitation trigger
•
Enhanced short circuit protection
Detailed Description
The device is able to switch all kind of resistive, inductive and capacitive loads, limited by maximum clamping
energy and maximum current capabilities.
The BTS3011TE offers dedicated ESD protection on the IN, VDD and STATUS pin referring to the Ground pin,
as well as an over voltage clamping of the Drain/OUT to Source/GND.
The over voltage protection gets activated during inductive turn off conditions or other over voltage events
(such as load dump). The power MOSFET is limiting the drain-source voltage, if it rises above the VOUT(CLAMP).
The over temperature protection prevents the device from overheating due to overload and/or bad cooling
conditions.
The BTS3011TE has a delayed auto restart thermal shut-down function. The device will turn on again, If the
input pin is still high after a delayed time tD(RESTART) considering the junction temperature has dropped below
the thermal hysteresis.
Datasheet
2
Rev. 1.0
2018-07-19
HITFETTM - BTS3011TE
Smart Low-Side Power Switch
Table of Contents
1
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2
Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3
3.1
3.2
3.3
Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pin Assignment BTS3011TE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pin Definitions and Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Voltage and Current Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
4.1
4.2
4.3
4.3.1
4.3.2
General Product Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Functional Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Thermal Resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
PCB set up (from THB report) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Transient Thermal Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
5
5.1
5.2
5.3
5.3.1
5.3.2
5.4
5.5
Power Stage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output On-state Resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Resistive Load Output Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inductive Load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output Clamping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maximum Load Inductance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reverse Current Capability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
13
13
14
14
14
15
16
16
6
6.1
6.2
6.3
6.4
Protection Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Over Voltage Clamping on OUTput . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thermal Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Overcurrent Limitation / Short Circuit Behavior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
17
17
17
18
19
7
7.1
7.2
Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Functional Description of the STATUS Pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
8
8.1
8.1.1
8.2
8.3
Supply and Input Stage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Supply Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Undervoltage Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
21
21
21
22
23
9
9.1
9.2
9.3
9.4
Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Stage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Supply and Input Stage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
24
24
26
27
28
10
10.1
10.2
10.3
Characterisation Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Stage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dynamic characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Supply and Input Stage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
29
29
32
36
Datasheet
3
6
6
6
6
Rev. 1.0
2018-07-19
HITFETTM - BTS3011TE
Smart Low-Side Power Switch
11
11.1
Application Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Design and Layout Recommendations/Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
12
Package Outlines BTS3011TE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
13
Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Datasheet
4
Rev. 1.0
2018-07-19
HITFETTM - BTS3011TE
Smart Low-Side Power Switch
Block Diagram
2
Block Diagram
VDD
OUT
Supply
Unit
Overtemperature
Protection
Gate
Driving
Unit
IN
STATUS
Over
Voltage
Protection
Status
Feedback
ESD
Protection
Short circuit
detection /
Current
limitation
GND
BlockDiagram_5pin.emf
Figure 1
Datasheet
Block Diagram
5
Rev. 1.0
2018-07-19
HITFETTM - BTS3011TE
Smart Low-Side Power Switch
Pin Configuration
3
Pin Configuration
3.1
Pin Assignment BTS3011TE
(top view )
OUT
6 ( Tab)
5
GND
4
STATUS
3
OUT
2
VDD
1
IN
PinConfig_DPAK5.emf
Figure 2
Pin Configuration DPAK5
3.2
Pin Definitions and Functions
Table 2
Pin
Symbol Function
1
IN
Input pin
2
VDD
5 V supply pin
3,6
OUT
Drain, Load connection for power DMOS
4
STATUS Open-drain status feedback (low active)
5
GND
3.3
Voltage and Current Definition
Ground, Source of power DMOS
Figure 3 shows all external terms used in this data sheet, with associated convention for positive values.
Datasheet
6
Rev. 1.0
2018-07-19
HITFETTM - BTS3011TE
Smart Low-Side Power Switch
Pin Configuration
V BAT
V BAT
V DD
I DD
RSTATUS
ZL
VDD
I STATUS
STATUS
I L , ID
OUT
I IN
IN
GND
VDD
VSTATUS
VOUT,
VDS
V IN
GND
Terms_5pin.emf
Figure 3
Datasheet
Naming Definition of electrical parameters
7
Rev. 1.0
2018-07-19
HITFETTM - BTS3011TE
Smart Low-Side Power Switch
General Product Characteristics
4
General Product Characteristics
4.1
Absolute Maximum Ratings
Table 3
Absolute Maximum Ratings1)
Tj = -40°C to +150°C; all voltages with respect to ground, positive current flowing into pin (unless otherwise
specified)
Parameter
Symbol
Values
Min.
Typ. Max.
Unit Note or
Test Condition
Number
–
P_4.1.1
Voltages
Supply voltage
VDD
-0.3
–
5.5
V
Output voltage
VOUT
–
–
40
V
internally clamped
P_4.1.2
V
1)
P_4.1.3
Battery voltage for short
circuit protection
VBAT(SC)
–
Battery voltage for load
dump protection
(VBAT(LD) = VA + VS with
VA=13.5 V)
VBAT(LD)
–
VIN
-0.3
–
5.5
V
–
P_4.1.8
VSTATUS
-0.3
–
5.5
V
–
P_4.1.9
|IL|
–
–
IL(LIM)_TRIGGER
A
–
P_4.1.12
Unclamped single inductive EAS
energy single pulse
–
–
390
mJ
IL(0) = IL(NOM)
VBAT = 13.5 V
TJ(0) = 150°C
P_4.1.13
Unclamped repetitive
inductive energy pulse with
100k cycles
EAR(100k)
–
–
290
mJ
IL(0) = IL(NOM)
VBAT = 13.5 V
Tj(0) = 105°C
P_4.1.15
Operating temperature
Tj
-40
–
+150
°C
–
P_4.1.17
Storage temperature
Tstg
-55
–
+150
°C
–
P_4.1.18
–
32
l = 0 or 5 m
RSC = 30 mΩ + RCable
RCable = l * 16 mΩ/m
LSC = 5 µH + LCable
LCable = l * 1 µH/m
–
40
V
2)
P_4.1.4
Ri = 2 Ω;
RLoad = 2.2 Ω;
td=400 ms;
suppressed pulse
Input Pin
Input voltage
Status Pin
Status voltage
Power Stage
Load current
Energies
Temperatures
ESD Susceptibility
Datasheet
8
Rev. 1.0
2018-07-19
HITFETTM - BTS3011TE
Smart Low-Side Power Switch
General Product Characteristics
Table 3
Absolute Maximum Ratings1) (cont’d)
Tj = -40°C to +150°C; all voltages with respect to ground, positive current flowing into pin (unless otherwise
specified)
Parameter
Symbol
ESD susceptibility (all pins)
VESD
Values
Min.
Typ. Max.
Unit Note or
Test Condition
-2
–
kV
HBM3)
P_4.1.19
3)
2
Number
ESD susceptibility OUT pin
vs. GND
VESD
-4
–
4
kV
HBM
P_4.1.20
ESD susceptibility
VESD
-750
–
750
V
CDM4)
P_4.1.21
1) Not subject to production test, specified by design.
2) VBAT(LD) is setup without the DUT connected to the generator per ISO7637-1;
Ri is the internal resistance of the load dump test pulse generator;
td is the pulse duration time for load dump pulse (pulse 5) according ISO 7637-1, -2.
3) ESD susceptibility, HBM according to ANSI/ESDA/JEDEC JS-001 (1.5 kΩ, 100 pF)
4) ESD susceptibility, Charged Device Model “CDM” ESDA STM5.3.1 or ANSI/ESD S.5.3.1
Notes
1. Stresses above the ones listed here may cause permanent damage to the device. Exposure to absolute
maximum rating conditions for extended periods may affect device reliability.
2. Integrated protection functions are designed to prevent IC destruction under fault conditions described in the
data sheet. Fault conditions are considered as “outside” normal operating range. Protection functions are
not designed for continuous repetitive operation
4.2
Functional Range
Table 4
Functional Range1)
Parameter
Symbol
Values
Min. Typ. Max.
Supply Voltage Range for Nominal
Operation
VDD(NOM) 3.0
Supply current continuous ON
operation
IDD(ON)
Standby supply current (ambient)
IDD(OFF)
Battery Voltage Range for Nominal
Operation
VBAT(NOR) 6
Extended Battery Voltage Range for
Operation
VBAT(EXT) 0
Unit Note or
Test Condition
Number
P_4.2.1
5.0
5.5
V
–
–
1
mA
–
P_4.2.2
–
1.5
6
µA
Tj ≤ 85°C
P_4.2.4
13.5 18
V
–
P_4.2.5
–
V
parameter
P_4.2.6
deviations possible
32
1) Not subject to production test, specified by design.
Note:
Datasheet
Within the functional range the IC operates as described in the circuit description. The electrical
characteristics are specified within the conditions given in the related electrical characteristics
table.
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Rev. 1.0
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HITFETTM - BTS3011TE
Smart Low-Side Power Switch
General Product Characteristics
4.3
Thermal Resistance
Note:
This thermal data was generated in accordance with JEDEC JESD51 standards.
For more information, go to www.jedec.org.
Table 5
Thermal Resistance
Parameter
Junction to Solder Point
Symbol
RthJSP
Junction to Ambient (2s2p) RthJA(2s2p)
Junction to Ambient
(1s0p+600mm2 Cu)
RthJA(1s0p)
Values
Min.
Typ.
Max.
–
2
–
–
–
25
38
–
–
Unit
Note or
Test Condition
Number
K/W
1) 2)
P_4.3.1
K/W
1) 3)
P_4.3.2
K/W
1) 4)
P_4.3.3
1) Not subject to production test, specified by design.
2) Specified RthJSP value is simulated at natural convection on a cold plate setup (all pins are fixed to ambient
temperature). Tc = 85°C. Device is loaded with 1 W power.
3) Specified RthJA value is according to Jedec JESD51-2,-5,-7 at natural convection on FR4 2s2p board; The product
(Chip and Package) was simulated on a 76.2 x 114.3 x 1.5 mm board with 2 inner copper layers (2 x 70 µm Cu, 2 x 35 µm
Cu). Where applicable a thermal via array under the exposed pad contacted the first inner copper layer. Ta = 85°C.
Device is loaded with 1 W power.
4) Specified RthJA value is according to Jedec JESD51-2,-5,-7 at natural convection on FR4 2s2p board; The product
(Chip and Package) was simulated on a 76.2 x 114.3 x 1.5 mm board with additional heatspreading copper area of
600mm2 and 70 µm thickness. Ta = 85°C. Device is loaded with 1 W power
Datasheet
10
Rev. 1.0
2018-07-19
HITFETTM - BTS3011TE
Smart Low-Side Power Switch
General Product Characteristics
4.3.1
PCB set up (from THB report)
The following PCB set up was implemented to determine the transient thermal impedance.
1,5 mm
70µm modelled (traces)
35µm, 100% metalization*
70µm, 5% metalization*
Figure 4
Cross section JEDEC 2s2p.
1,5 mm
70µm modelled (traces, cooling area)
70µm; 5% metalization*
Figure 5
Cross section JEDEC 1s0p.
JEDEC 1s0p / 600 mm²
Figure 6
Datasheet
JEDEC 1s0p / Footprint
JEDEC 2s2p
Detail: Solder area
PCB layout.
11
Rev. 1.0
2018-07-19
HITFETTM - BTS3011TE
Smart Low-Side Power Switch
General Product Characteristics
4.3.2
Transient Thermal Impedance
Figure 7
Typical transient thermal impedance ZthJA = f(tp), Ta = 85 °C
Value is according to Jedec JESD51-2,-7 at natural convection on FR4 2s2p board; The
product (Chip and Package) was simulated on a 76.2 x 114.3 x 1.5 mm3 board with 2 inner
copper layers (2 x 70 um Cu, 2 x 35 um Cu). Where applicable a thermal via array under the
exposed pad contacted the first inner copper layer. Device is dissipating 1 W power.
Figure 8
Typical transient thermal impedance ZthJA = f(tp), Ta = 85°C
Value is according to Jedec JESD51-3 at natural convection on FR4 1s0p board. Device is
dissipating 1 W power.
Datasheet
12
Rev. 1.0
2018-07-19
HITFETTM - BTS3011TE
Smart Low-Side Power Switch
Power Stage
5
Power Stage
5.1
Output On-state Resistance
The on-state resistance depends on the supply voltage as well as on the junction temperature TJ. Figure 9
shows this dependencies in terms of temperature and voltage for the typical on-state resistance RDS(ON). The
behavior in reverse polarity is described in chapter“Reverse Current Capability” on Page 16.
Figure 9
Typical On-State Resistance,
RDS(ON) = f(TJ);
VDD = 5 V, 3 V; VIN = high
A high signal at the input pin causes the power DMOS to switch ON with a dedicated slope.
To achieve the specified RDS(ON) and switching speed, a 5 V supply is required.
Datasheet
13
Rev. 1.0
2018-07-19
HITFETTM - BTS3011TE
Smart Low-Side Power Switch
Power Stage
5.2
Resistive Load Output Timing
Figure 10 shows the typical timing when switching a resistive load.
VIN
V IN(H)
V IN(L)
t
VOUT
V BAT
90 %
-(dV/dt) ON
(dV/dt)OFF
50 %
10 %
tDON
tF
tDOFF
tON
tR
t
tOFF
Figure 10
Definition of Power Output Timing for Resistive Load
5.3
Inductive Load
5.3.1
Output Clamping
Switching.emf
When switching off inductive loads with low side switches, the drain-source voltage VOUT rises above battery
potential, because the inductance intends to continue driving the current. To prevent unwanted high voltages
the device has a voltage clamping mechanism to keep the voltage at VOUT(CLAMP). During this clamping
operation mode the device heats up as it dissipates the energy from the inductance. Therefore the maximum
allowed load inductance is limited. See Figure 11 and Figure 12 for more details.
VBAT
ZL
IL
OUT (DMOS Drain)
VOUT
GND ( DMOS Source)
IGND
Figure 11
Datasheet
Output Clamp Circuitry
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HITFETTM - BTS3011TE
Smart Low-Side Power Switch
Power Stage
VIN
t
IOUT
VOUT
t
VOUT( CLAMP)
VBAT
t
Figure 12
Switching an Inductive Load
Note:
Repetitive switching of inductive load by VDD instead of using the input is a not recommended
operation and may affect the device reliability and reduce the lifetime.
5.3.2
Maximum Load Inductance
While demagnetization of inductive loads, energy has to be dissipated in the BTS3011TE.
This energy can be calculated by the following equation:
⎡VBAT − VOUT ( CLAMP)
⎤
⎛
⎞
RL × I L
⎟ + IL ⎥ × L
× ln ⎜1 −
E = VOUT ( CLAMP) × ⎢
⎜ V −V
⎟
RL
⎢⎣
⎥⎦ RL
BAT
OUT ( CLAMP ) ⎠
⎝
(5.1)
Following equation simplifies under assumption of RL = 0
E=
⎞
⎛
1
VBAT
2
⎟
LI L × ⎜1 −
⎟
⎜
2
V
V
−
BAT
OUT ( CLAMP) ⎠
⎝
(5.2)
Figure 13 shows the inductance / current combination the BTS3011TE can handle.
For maximum single avalanche energy please also refer to EAS parameter in Page 8
Datasheet
15
Rev. 1.0
2018-07-19
HITFETTM - BTS3011TE
Smart Low-Side Power Switch
Power Stage
Figure 13
Maximum load inductance for single pulse
L = f(IL);
TJ(0) = 150°C; VBAT = 13.5 V
5.4
Reverse Current Capability
A reverse battery situation means the OUT pin is pulled below GND potential to -VBAT via the load ZL.
In this situation the load is driven by a current through the intrinsic body diode of the BTS3011TE and all
protection, such as current limitation, over temperature or over voltage clamping, are not active.
OT is active in inverse current if DMOS is ON
In certain application case (for example in a bridge or half-bridge configuration) the intrinsic reverse body
diode is used for freewheeling of an inductive load. In this case the device is still supplied but an inverse
current is flowing from GND to OUT(drain) and the OUT will be pulled below GND.
In inverse or reverse operation via the reverse body diode, the device is dissipating a power loss which is
defined by the driven current and the voltage drop on the body diode -VDS.
The BTS3011TE is capable of switching ON during inverse current by setting the IN high. In this condition, the
over temperature is active.
5.5
Characteristics
Please see “Power Stage” on Page 24 for electrical characteristic table.
Datasheet
16
Rev. 1.0
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HITFETTM - BTS3011TE
Smart Low-Side Power Switch
Protection Functions
6
Protection Functions
The device provides embedded protection functions. Integrated protection functions are designed to prevent
IC destruction under fault conditions described in the data sheet. Fault conditions are considered as “outside”
normal operation. Protection functions are not to be used for continuous or repetitive operation.
6.1
Over Voltage Clamping on OUTput
The BTS3011TE is equipped with a voltage clamp circuitry that keeps the drain-source voltage VDS at a certain
level VOUT(CLAMP). The over voltage clamping is overruling the other protection functions. Power dissipation has
to be limited to not exceed the maximum allowed junction temperature.
This function is also used in terms of inductive clamping. Please see also “Output Clamping” on Page 14 for
more details.
6.2
Thermal Protection
The device is protected against over temperature due to overload and/or bad cooling conditions by an
integrated temperature sensor. The thermal protection is available if the device is active. .
The device incorporates an absolute (TJ(SD)) and a dynamic temperature limitation (ΔTJ(SW)). Triggering one of
them will cause the output to switch off.
The BTS3011TE has a delayed thermal-restart function. If the input (IN) is still high the device will turn on again
after a delayed time tD(RESTART) considering the junction temperature has dropped below the thermal
hysteresis.
Absolute over temperature
shutdown
Auto restart
no overload
Dynamic
thermal shutdown
Auto restart
IN
VIN (H)
0
Tj(D MOS )
Tj(SD )
t
ΔTj(SD )_HY
ΔTj(SW )
Ta
t
VOUT
VBA T
t
tD(RES TART)
tD(RES TART)
Thermal_faul t_rest art
Figure 14
Thermal protective switch OFF scenario with thermal restart
Note:
For better understanding, the time scale is not linear. The real timing of this drawing is application
dependant and cannot be described.
Datasheet
17
Rev. 1.0
2018-07-19
HITFETTM - BTS3011TE
Smart Low-Side Power Switch
Protection Functions
6.3
Overcurrent Limitation / Short Circuit Behavior
This device is providing a smart overcurrent limitation intended to provide protection against short circuit
conditions while allowing also load inrush currents higher than the current limitation level. To achieve this,
the device has a current limitation level IL(LIM) which is triggered by a higher trigger level IL(LIM)_TRIGGER.
The condition short circuit is an overload condition on the device.
If the load current IL reaches the current limitation trigger level IL(LIM)_TRIGGER the internal current limitation will
be activated and the device limits the current to a lower value IL(LIM). The device then starts heating up. When
the thermal shutdown temperature TJ(SD) is reached, the device turns off. The time from the beginning of
current limitation until the over temperature switch off depends strongly on the cooling conditions.
If input is still high, the device will turn on again after a delayed time tD(RESTART) considering the junction
temperature has dropped below the thermal hysteresis. The current limitation trigger is a latched signal. It will
be only reset by input (IN) pin low and resetting the latch fault signal (STATUS pin = high. See Chapter 7
Diagnostics) at the same time. This means if the input stays high all the time during short circuit, the current
will be limited to IL(LIM) during the following pulses (while on thermal restart). It also means that the output
current remains limited to the current limitation level IL(LIM) as long as the current limitation trigger is not reset.
Figure 15 shows this behavior.
Occurrence of short circuit
Drain current triggering IL(LI M)_T RIGG ER -> current limit to IL(LI M)
Absolute over temperature shutdown
Auto restart;
limited to current limitation level
Reset current limit trigger by
„ST ATUS=high“ and
„IN=low“ and
„DMOS off (IL=0A)“
Restart into short
circuit
Restart into
normal load condition
IN
VIN (H)
0
t
IL
VBAT/Zsc
IL(LIM )_T RI GGE R
IL(LIM )
Tj(D MOS)
Tj(SD )
t
ΔTj(SD )_HY
Ta
t
VST ATU S
H
tD(RES TART)
Figure 15
Datasheet
tD(RES TART)
tRES ET
t
Short circuit protection via current limitation and thermal switch off, with latched fault
signal on STATUS-pin
18
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HITFETTM - BTS3011TE
Smart Low-Side Power Switch
Protection Functions
Note:
For better understanding, the time scale is not linear. The real timing of this drawing is application
dependant and cannot be described.
Behavior with overload current below current limitation trigger level
The lower current limitation level IL(LIM) will be also triggered by a thermal shutdown. This could be the case in
terms of overload with a current still below the current limitation trigger level (IL < IL(LIM)TRIGGER).
Occurrence of overload (below current limitation trigger level)
Absolute over temperature shutdown
Auto restart;
limited to current limitation level
Reset current limit trigger by
„ST ATUS=high“ and
„IN=low“ and
„DMOS off (IL=0A)“
Thermal restart into
normal load condition
IN
VIN (H)
0
t
IL
IL(LIM )_T RI GGE R
VBAT/Zsc
IL(LIM )
Tj(D MOS)
Tj(SD)
ΔTj(SD)_HY
Ta
t
VST ATU S
H
tD(RES TART)
tD(RES TART)
tRES ET
t
Figure 16
Example of overload behavior with thermal shutdown
Note:
For better understanding, the time scale is not linear. The real timing of this drawing is application
dependant and cannot be described.
6.4
Characteristics
Please see “Protection” on Page 26 for electrical characteristic table.
Datasheet
19
Rev. 1.0
2018-07-19
HITFETTM - BTS3011TE
Smart Low-Side Power Switch
Diagnostics
7
Diagnostics
The BTS3011TE provides a latching digital fault feedback signal on the STATUS pin triggered by an over
temperature shutdown.
7.1
Functional Description of the STATUS Pin
The BTS3011TE provides digital status information via the STATUS pin to give an alarm feedback to a
connected microcontroller. Please see Figure 17 “Feedback and control of STATUS pin” on Page 20
Normal operation mode
In normal operation (no fault is detected) the STATUS pin’s logic is set ”high”. It is pulled up via an external
Resistor (RSTATUS). Internally it is connected to an open drain MOSFET through an internal resistor.
Fault operation
In case of a thermal shutdown (fault), an internal MOSFET connected to the STATUS pin, pulls its voltage down
to GND, providing a “low” level signal to the microcontroller. Fault mode operation remains active
independent from the input pin state or internal restarts until it is reset.
Reset latch fault signal (external pull up)
To reset the latch fault signal of the BTS3011TE, the STATUS pin has to be pulled up to 5 V (recommended VDD).
Resetting the fault signal will not reset the current limitation trigger signal. To do so, the INPUT pin has to be
set in logic “low” at the same time the STATUS pin is set “high”. In this case, the fault latch signal and the
current limitation trigger will be reset (assuming the temperature has dropped below ΔTJ_HYS). Please refer to
Figure 15 and Figure 16.
V DD
V BAT
I DD
RSTATUS
ZL
STATUS
I/O
VDD
IL
Micro
controller
OUT
IN
I/O
VOUT
GND
IGND
GND
Figure 17
feedback.emf
Feedback and control of STATUS pin
For recommended values of external components please see “Application Information” on Page 40
7.2
Characteristics
Please see “Diagnostics” on Page 27 for electrical characteristic table.
Datasheet
20
Rev. 1.0
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HITFETTM - BTS3011TE
Smart Low-Side Power Switch
Supply and Input Stage
8
Supply and Input Stage
8.1
Supply Circuit
The supply pin VDD is protected against ESD pulses as shown in Figure 18.
The device supply is not internal regulated but directly taken from a external supply. Therefore a reverse
polarity protected and buffered 5 V (or 3.3 V) voltage supply is required. To achieve the specified RDS(ON) and
switching speed a 5 V supply is required.
The device shall be supplied via the VDD pin before applying an input signal VIN to ensure the correct
functionality of the device.
3.0V .. 5.5 V
VDD
ESD
Logic &
Driver
protection
GND
Supply_Stage.emf
Figure 18
Supply Circuit
8.1.1
Undervoltage Shutdown
In order to ensure a stable and defined device behavior under all allowed conditions the supply voltage VDD is
monitored.
The output switches off, if the supply voltage VDD drops below the switch-off threshold VDD(TH). In this case also
all latches will be reset. The device functions are only given for supply voltages above the supply voltage
threshold VDD(SD)MAX. There is no failure feedback ensured for VDD < VDD(SD).
Datasheet
21
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HITFETTM - BTS3011TE
Smart Low-Side Power Switch
Supply and Input Stage
8.2
Input Circuit
Figure 19 shows the input circuit of the BTS3011TE. Due to an internal pull-down it is ensured that the device
switches off in case of open input pin. A Zener structure protects the input circuit against ESD pulses. As the
BTS3011TE has a supply pin, the RDS(ON) of the power MOS is independent of the voltage on the IN pin (assumed
VDD is sufficient).
RIN
Logic
IN
ON/OFF
I IN
ESD
V uC
V IN
RIN(GND)
GND
Input.emf
Figure 19
Datasheet
Simplified INput circuitry
22
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HITFETTM - BTS3011TE
Smart Low-Side Power Switch
Supply and Input Stage
8.3
Characteristics
Please see “Supply and Input Stage” on Page 28 for electrical characteristic table.
Datasheet
23
Rev. 1.0
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HITFETTM - BTS3011TE
Smart Low-Side Power Switch
Electrical Characteristics
9
Electrical Characteristics
Note:
Characteristics show the deviation of parameter at given input voltage and junction temperature.
Typical values show the typical parameters expected from manufacturing and in typical application
condition.
All voltages and currents naming and polarity in accordance to
Figure 3 “Naming Definition of electrical parameters” on Page 7
9.1
Power Stage
Please see Chapter “Power Stage” on Page 13 for parameter description and further details.
Table 6
Electrical Characteristics: Power Stage
Tj = -40°C to +150°C, VDD = 3.0 V to 5.5 V, VBAT = 6 V to 18 V, all voltages with respect to ground, positive current
flowing into pin (unless otherwise specified)
Parameter
Symbol
Values
Unit Note or
Test Condition
Min. Typ. Max.
Number
Power Stage - Static Characteristics
On-State resistance
at 25°C
RDS(ON)_25
–
10.7 –
mΩ IL = IL(NOM);
VDD = 5 V;
TJ = 25°C
P_9.1.1
On-State resistance
at 150°C
RDS(ON)_150
–
19
22
mΩ IL = IL(NOM);
VDD = 5 V;
Tj = 150°C
P_9.1.2
Nominal load current
IL(NOM)
–
10
–
A
OFF state load current, Output
leakage current
IL(OFF)_85
–
OFF state load current, Output
leakage current
at 150°C
IL(OFF)_150
–
6
14
µA
VOUT = VBAT;
VIN = 0 V;
VDD = 5 V;
TJ = 150°C
P_9.1.9
-VDS
–
0.8
1.5
V
IL = - IL(NOM);
VIN = 0 V
P_9.1.11
1)
P_9.1.7
TJ < 150°C;
VDD = 5 V;
–
3
µA
2)
P_9.1.8
VOUT = VBAT;
VIN = 0 V;
VDD = 5 V;
TJ ≤ 85°C
Reverse Diode
Reverse diode forward voltage
Power Stage - Dynamic characteristics - switching time VBAT = 13.5 V;VDD = 5 V; resistive load: RL = 2.2 Ω
see Figure 10 “Definition of Power Output Timing for Resistive Load” on Page 14 for definition details
Turn-on time
tON
35
75
115
µs
-
P_9.1.12
Turn-off time
tOFF
70
135
210
µs
-
P_9.1.13
Turn-on delay time
tDON
5
15
25
µs
-
P_9.1.14
Datasheet
24
Rev. 1.0
2018-07-19
HITFETTM - BTS3011TE
Smart Low-Side Power Switch
Electrical Characteristics
Table 6
Electrical Characteristics: Power Stage (cont’d)
Tj = -40°C to +150°C, VDD = 3.0 V to 5.5 V, VBAT = 6 V to 18 V, all voltages with respect to ground, positive current
flowing into pin (unless otherwise specified)
Parameter
Symbol
Unit Note or
Test Condition
Min. Typ. Max.
Number
Turn-off delay time
tDOFF
40
75
120
µs
-
P_9.1.15
Turn-on output fall time
tF
30
60
90
µs
-
P_9.1.16
Turn-off output rise time
tR
30
60
90
µs
-
P_9.1.17
(DV/Dt)ON
0.22 0.4
0.65 V/µs -
P_9.1.18
(DV/Dt)OFF
0.22 0.4
0.65 V/µs -
P_9.1.19
Turn-on Slew rate
3)
Turn-off Slew rate 4)
1)
2)
3)
4)
Values
Not subject to production test, calculated by RthJA and RDS(ON)
Not subject to production test, specified by design
Not subject to production test, calculated slew rate between 90% and 50%; dV/dt = (VOUT(90%) - VOUT(50%)) / |(t90% - t50%)|
Not subject to production test, calculated slew rate between 50% and 90%; dV/dt = (VOUT(50%) - VOUT(90%)) / |(t50% - t90%)|
Datasheet
25
Rev. 1.0
2018-07-19
HITFETTM - BTS3011TE
Smart Low-Side Power Switch
Electrical Characteristics
9.2
Protection
Please see Chapter “Protection Functions” on Page 17 for parameter description and further details.
Note:
Integrated protection functions are designed to prevent IC destruction under fault conditions
described in the data sheet. Fault conditions are considered as “outside” normal operating range.
Protection functions are not designed for continuous repetitive operation
Table 7
Electrical characteristics: Protection
Tj = -40°C to +150°C, VDD = 3.0 V to 5.5 V; VBAT = 6 V to 18 V, all voltages with respect to ground, positive current
flowing into pin (unless otherwise specified)
Parameter
Symbol
Values
Unit Note or
Test Condition
Min. Typ. Max.
Number
Thermal shut down
junction temperature
TJ(SD)
150
170
200
°C
1)
P_9.2.1
Thermal hysteresis
ΔTJ_HYS
–
20
–
K
1)
P_9.2.4
K
1)
P_9.2.5
ms
1) 2)
P_9.2.8
Thermal shut down 1)
Dynamic temperature limitation ΔTJ(SW)
Auto-restart delay time
tD(RESTART)
–
70
10
30
–
40
VDD = 5.0 V
Over Voltage Protection / Clamping
VOUT(CLAMP)
40
–
–
V
VIN = 0 V; ID = 50 mA;
P_9.2.9
Current limitation trigger level
IL(LIM)_TRIGGER
70
–
140
A
VIN = 5 V;
VDD = 5 V;
VDS = VBAT
P_9.2.10
Current limitation level
IL(LIM)
35
–
70
A
VIN = 5 V;
VDD = 5 V; VDS = VBAT
P_9.2.11
Drain clamp voltage
Current limitation
1) Not subject to production test, specified by design.
2) Auto restart delay time after temperature protection shutdown. Thermal hysteresis must be also considered.
Datasheet
26
Rev. 1.0
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HITFETTM - BTS3011TE
Smart Low-Side Power Switch
Electrical Characteristics
9.3
Diagnostics
Please see Chapter “Diagnostics” on Page 20 for description and further details.
Table 8
Electrical Characteristics: Diagnostics
Tj = -40°C to +150°C, VDD = 3.0 V to 5.5 V, VBAT = 6 V to 18 V, all voltages with respect to ground, positive current
flowing into pin (unless otherwise specified)
Parameter
Symbol
Values
Unit Note or Test Condition
Number
Min. Typ. Max.
Feedback pin
Status pin voltage drop
VSTATUS(ON)
–
0.5
0.8
V
ISTATUS = 0.5 mA;
3 V ≤ VIN ≤ 5.5 V
latched fault;
P_9.3.1
Status pin leakage current
ISTATUS(OFF)_85
–
1.5
6
µA
1)
P_9.3.2
VSTATUS ≤ 5.5 V;
TJ ≤ 85°C;
0 V ≤ VIN ≤ 5.5 V
Status pin leakage current
at 150°C
ISTATUS(OFF)_150 –
6
12
µA
VSTATUS ≤ 5.5 V;
TJ ≤ 150°C;
0 V ≤ VIN ≤ 5.5 V
P_9.3.3
Status pin reset threshold
VSTATUS(RESET)
0.9
1.8
2.7
V
–
P_9.3.4
Status pin reset current
ISTATUS(RESET)
3
–
7
mA
–
P_9.3.5
Fault feedback reset time
tSTATUS(RESET)
100 –
–
µs
VSTATUS > VSTATUS(RESET);
no over temperature
P_9.3.6
1) Not subject to production test, specified by design.
Datasheet
27
Rev. 1.0
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HITFETTM - BTS3011TE
Smart Low-Side Power Switch
Electrical Characteristics
9.4
Supply and Input Stage
Please see Chapter “Supply and Input Stage” on Page 21 for description and further details.
Table 9
Electrical Characteristics: Supply and Input
Tj = -40°C to +150°C, VDD = 3.0 V to 5.5 V, VBAT = 6 V to 18 V, all voltages with respect to ground, positive current
flowing into pin (unless otherwise specified)
Parameter
Symbol
Values
Unit Note or
Test Condition
Min. Typ. Max.
Number
Nominal supply voltage
VDD(NOM)
3.0
5.0
5.5
V
–
P_9.4.1
Supply Undervoltage Shutdown
Switch-on/off threshold voltage
VDD(TH)
1.3
2.2
3.0
V
VIN = 5.0 V
P_9.4.2
Supply current,
continuos ON operation
IDD(ON)
–
–
1
mA
device on-state
VDD = 5.0 V
IL(0) = IL(NOM)
P_9.4.3
Supply current,
inverse condition on OUT to GND
IDD(-VOUT)
–
–
1
mA
1)
P_9.4.5
Standby supply current
IDD(OFF)_85
–
Standby supply current at 150°C
IDD(OFF)_150
–
6
14
µA
VIN = 0 V
VDD = 5.0 V
TJ < 150°C
no fault signal
P_9.4.7
Standby supply current,
inverse condition on OUT to GND
IDD(OFF)(-VOUT)
–
–
200
µA
IL=-IL(NOM)
VIN = 0 V
P_9.4.8
Low level input voltage
VIN(L)
-0.3 –
0.8
V
–
P_9.4.9
High level input voltage
VIN(H)
2.0
5.5
V
–
P_9.4.10
P_9.4.11
Supply
VOUT < -0.3 V
VIN = 5.0 V
1.5
6
µA
1)
P_9.4.6
VIN = 0 V
VDD = 5.0 V
TJ < 85°C
no fault signal
Input
–
Input voltage hysteresis
VIN(HYS)
–
200
–
mV
1)
Input pull down current
IIN
–
–
160
µA
2.7 V < VIN < 5.5 V
-0.3 V < VDD < 5.5V
P_9.4.12
Internal Input pull down resistor
RIN(GND)
25
50
100
kΩ
–
P_9.4.13
1) Not subject to production test, specified by design.
Datasheet
28
Rev. 1.0
2018-07-19
HITFETTM - BTS3011TE
Smart Low-Side Power Switch
Characterisation Results
10
Characterisation Results
Typical performance characteristics
10.1
Power Stage
Figure 20
Typical RDS(ON) vs. VDD (3..5.5 V) @ Tj=-40, 25, 85, 150°C; IL(NOM)
Figure 21
Typical RDS(ON) vs. VDD (3..5.5 V) @ Tj=-40, 25, 85, 150°C; IL=2*IL(NOM)
Datasheet
29
Rev. 1.0
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HITFETTM - BTS3011TE
Smart Low-Side Power Switch
Characterisation Results
Figure 22
Typical RDS(ON) vs. Tj (-40..150°C) @ VDD=5 V, 3 V; IL(NOM)
Figure 23
Typical IL(OFF) vs. Tj (-40..150°C) @ VBAT=6 V, 13.5 V, 18 V, VBAT(SC)V, 40 V; VIN=0V;
Datasheet
30
Rev. 1.0
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HITFETTM - BTS3011TE
Smart Low-Side Power Switch
Characterisation Results
Figure 24
EAS [J] vs. IL (0.5*IL(NOM), IL(NOM), 2*IL(NOM)) @ TJ(0) = 25°C and 150°C
Figure 25
EAR [J] vs. No. cycles; @ IL(NOM), 2*IL(NOM); TJ(0) = 25, 105°C;
Datasheet
31
Rev. 1.0
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HITFETTM - BTS3011TE
Smart Low-Side Power Switch
Characterisation Results
10.2
Dynamic characteristics
Figure 26
Typical delay on time, delay off time vs. T (-40..150°C) @J VDD=5 V; VBAT=13.5 V
Figure 27
Typical fall time, rise time vs. TJ (-40..150°C) @ VDD=5 V; VBAT=13.5 V
Datasheet
32
Rev. 1.0
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HITFETTM - BTS3011TE
Smart Low-Side Power Switch
Characterisation Results
Figure 28
Typical slew rate (ON&OFF) vs. TJ (-40..150°C) @ VDD=5 V; VBAT=13.5 V
Figure 29
Typical delay on time, delay off time vs. RL @ TJ(-40..150°C); VDD=5 V; VBAT=13.5 V
Datasheet
33
Rev. 1.0
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HITFETTM - BTS3011TE
Smart Low-Side Power Switch
Characterisation Results
Figure 30
Typical fall time, rise time vs. IL (0.5A..IL(LIM)_MIN) @ TJ (-40, 25, 150°C); VJ=5 V; VBAT=13.5 V
Figure 31
Typical slew rate (ON&OFF) vs. RL @ TJ(-40, 25, 150°C); VDD=5 V; VBAT=13.5 V
Datasheet
34
Rev. 1.0
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HITFETTM - BTS3011TE
Smart Low-Side Power Switch
Characterisation Results
Figure 32
Typical delay on time, delay off time vs. VBAT (0..40V) @ TJ (-40, 25, 150°C); VDD=5 V; IL=IL(NOM)
Figure 33
Typical fall time, rise time vs. VBAT (0..40V) @ TJ (-40, 25, 150°C); VDD=5 V; IL=IL(NOM)
Datasheet
35
Rev. 1.0
2018-07-19
HITFETTM - BTS3011TE
Smart Low-Side Power Switch
Characterisation Results
Figure 34
Typical slew rate (ON&OFF) vs. VBAT (0..40V) @ TJ (-40, 25, 150°C); VDD=5 V; IL=IL(NOM)
10.3
Supply and Input Stage
Figure 35
VDD(UV_on, VDD(UV_off) vs. TJ
Datasheet
36
Rev. 1.0
2018-07-19
HITFETTM - BTS3011TE
Smart Low-Side Power Switch
Characterisation Results
Figure 36
IDD(on) vs. VDD @ Tj = -40, 25, 150°C
Figure 37
IDD(off) vs. Tj @ VDD = 3, 4, 5 V
Datasheet
37
Rev. 1.0
2018-07-19
HITFETTM - BTS3011TE
Smart Low-Side Power Switch
Characterisation Results
Figure 38
IIN vs. Vin @ Tj = -40, 25, 150°C
Figure 39
RIN(GND) vs. Tj
Datasheet
38
Rev. 1.0
2018-07-19
HITFETTM - BTS3011TE
Smart Low-Side Power Switch
Characterisation Results
Figure 40
VIN(L) vs. Tj @ VDD = 3, 4, 5 V
Figure 41
VIN(H) vs. Tj @ VDD = 3, 4, 5 V
Datasheet
39
Rev. 1.0
2018-07-19
HITFETTM - BTS3011TE
Smart Low-Side Power Switch
Application Information
11
Application Information
Note:
The following information is given as a hint for the implementation of the device only and shall not
be regarded as a description or warranty of a certain functionality, condition or quality of the device.
Application Diagram
An application example with the BTS3011TE is shown below.
VBAT
Voltage Regulator
IN
Load
OUT
C VD D optional:
e.g. 100nF
Micro
controller
RSTATUS
VDD
VDD
OUT
STATUS
I/O
Status/ Reset
IN
I/O
PWM
GND
GND
Figure 42
Simplified application diagram
Note:
This is a very simplified example of an application circuit. The function must be verified in the real
application.
Table 10
Recommended external components
Reference
Value
Description
RSTATUS
10 kΩ
Pull-up resistor for STATUS pin
CVDD
100 nF
Supply pin capacitor for fast supply current transients
11.1
Design and Layout Recommendations/Considerations
As consequence of the fast switching times for high currents, special care has to be taken with the PCB layout.
Stray inductances have to be minimized.
Datasheet
40
Rev. 1.0
2018-07-19
HITFETTM - BTS3011TE
Smart Low-Side Power Switch
Package Outlines BTS3011TE
12
Package Outlines BTS3011TE
Figure 43
PG-TO252-5
Transistor Outline Package
Green Product (RoHS compliant)
To meet the world-wide customer requirements for environmentally friendly products and to be compliant
with government regulations the device is available as a green product. Green products are RoHS-Compliant
(i.e Pb-free finish on leads and suitable for Pb-free soldering according to IPC/JEDEC J-STD-020).
For further information on alternative packages, please visit our website:
http://www.infineon.com/packages.
Datasheet
41
Dimensions in mm
Rev. 1.0
2018-07-19
HITFETTM - BTS3011TE
Smart Low-Side Power Switch
Revision History
13
Revision History
Revision Date
Changes
Rev. 1.0
Datasheet released
Datasheet
2018-07-19
42
Rev. 1.0
2018-07-19
Trademarks
All referenced product or service names and trademarks are the property of their respective owners.
Edition 2018-07-19
Published by
Infineon Technologies AG
81726 Munich, Germany
© 2018 Infineon Technologies AG.
All Rights Reserved.
Do you have a question about any
aspect of this document?
Email: erratum@infineon.com
Document reference
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