Obsolete – Part Discontinued
PI5PD2061/65
70mΩ Current-Limited, Power-Distribution Switches
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Features
Description
The PI5PD2061/65 is an integrated 70mΩ N-channel
70mΩ High-Side MOSFET
MOSFET power switches for self-powered and bus1.5A Continuous Current
powered Universal Series Bus (USB) applications. The
Thermal and Short-Circuit Protection
devices are equipped with charge pump circuitry to drive
Accurate Current Limit (2.3A typ.)
the internal MOSFET switch. The switch’s low RDS(on),
Operating Range: 2.7V to 5.5V
70mΩ meets USB voltage drop requirements. This
0.6ms Typical Rise Time
power-distribution switch is designed to set current limit
Under-Voltage Lockout
at 2.3A typically.
PT7M2061/PT7M2065
PT7M2062(-1)/PT7M2066(-1)
PT7M2065-1
Deglitched Fault
Report (/OC)
When the output load exceeds the over-current threshold
D
AND
DGN
PACKAGE
D
AND
DGN
PACKAGE
DGN
PACKAGE
No /OC Glitch During Power Up
or a short-circuit situation is present, the devices limit
1μA Maximum Standby
(TOP Supply
VIEW)Current
(TOP VIEW)
the(TOP
outputVIEW)
current by switching into a constant-current
Reverse Current Blocking
mode,
o
o pulling the over-current (/OC) logicooutput low.
Ambient Temperature Range: -40°C to 85°C
GND 1
8 OUT
GND When
1 continuous
8 heavy
GNDand 1short-circuits 8
/OC1 overloads
UL Recognized,PT7M2061/PT7M2065
File Number E341484
increase the power dissipation
in the switch, causing the
PT7M2062(-1)/PT7M2066(-1)
PT7M2065-1
to rise,DGN
a thermal
circuit 7
D AND
PACKAGE
2 DGN PACKAGE
2PACKAGEtemperature
2
IN D AND
IN DGNjunction
IN protection
7 OUT
7 OUT1
Pin Configuration
damage.
(TOP VIEW)
(TOP turns
VIEW)off the switch to prevent
(TOP
VIEW) Recovery from a
OUT
thermal
shutdown
automatic
once
3o
6
3
6 isOUT2
IN
*/EN1
IN the3 device has 6
o
o
cooled
sufficiently.
Internal
circuitry
GND 1
8 OUT
GND 1
8 /OC1
GND 1
8 ensures
OUT that the
/OC2
4
4 remains
*/EN
5 /OC
*/EN2 switch
5
EN
off until valid input voltage 4is present. 5
IN
2
7
OUT
IN
2
IN
3
6
OUT
*/EN1
3
*/EN2
4
4
*/EN
5 /OC
PT7M2601/PT7M2065
OUT
OUT
GND
GND
/OC
21
2
3
OUT1
IN
2
7
OUT
6
OUT2
IN
3
6
OUT
5
/OC2
EN
4
5
/OC
Applications
DBV PACKAGE
(TOP
PI5PD2061/65 SOIC-8
andVIEW)
EP-MSOP-8 (Top View)
PT7M2601/PT7M2065
DBV PACKAGE
1(TOP VIEW)5
7
IN
Laptop, Motherboard PC
USB Bus/Self Powered Hubs
TV and Set-top BOX Power switch
USB Peripherals
Battery-Powered Equipment
Hot-Plug Power Supplies
IN
5
4
/EN*
/OC
3
4
/EN
PI5PD2061/65 SOT23-5 (Top View)
*Note: All enable inputs are active high for PI5PD2065.
Pin description
Pin No.
SOIC-8 and EP-MSOP-8
1
2, 3
4
4
5
6, 7, 8
Pin No.
SOT23-5
2
5
4
4
3
1
Pin
Type
GND
IN
/EN(PI5PD2061)
EN(PI5PD2065)
/OC
OUT
I
I
I
O
O
2013-07-0009
Description
Ground.
Power input voltage.
Enable input, logic low turns on power switch.
Enable input, logic high turns on power switch.
Over-current, open-drain output, active-low.
Power output voltage.
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OU
OU
OU
/O
PI5PD2061/65
70mΩ Current-Limited, Power-Distribution
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Switches
Functional Block Diagram
Note A: Current sense
Note B: Active low (/EN)for PI5PD2061; Active high(EN) for PI5PD2065
Maximum Ratings
Storage Temperature..................................................................................... -65oC to +150oC
Operating virtual junction temperature range, TJ .................................... -40oC to +125oC
Input Voltage range ( VI(IN)(2)).............................................................................. -0.3V to +6V
Output Voltage range ( VO(OUT)(2)) ...................................................................... -0.3V to +6V
Input Voltage range (VI(/EN), VI(EN))...................................................................... -0.3V to +6V
Voltage range (VI(/OC), VI(OC)) .............................................................................. -0.3V to +6V
Continuous output current ( IO(OUT))................................................................... Internally limit
Continuous total power dissipation ........................................................... SOT23-5/400mW
.............................................................................................................................. SOIC-8/600mW
.................................................................................................................. EP-MSOP-8/1200mW
Electrostatic discharge (ESD) protection.......... 4kV/Human body MIL-STD-883C
Electrostatic discharge (ESD) protection 500V/Charge device model(CDM)
Note:
(1)Stresses greater than those listed under MAXIMUM
RATINGS may cause permanent damage to the device.
This is a stress rating only and functional operation of the
device at these or any other conditions above those
indicated in the operational sections of this specification
is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect reliability.
(2)All voltages are with respect to GND.
Recommended Operating Conditions
Symbol
Description
Min
Type
Max
Unit
VI(IN)
Input Voltage
2.7
-
5.5
V
VI(/EN), VI(EN),
Input Voltage
0
-
5.5
V
Continuous Output Current
0
-
1.5
A
-40
-
125
ºC
IO(OUT),
TJ
Operating Virtual Junction Temperature Range
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70mΩ Current-Limited, Power-Distribution
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Switches
Electrical Characteristics
Unless otherwise specified, VI(IN) = 5.5V, IO = 1.5A, VI(/EN), = 0V, VI(EN) = 5.5V.
Description
Test Conditions(1)
Min
Typ
Max
Unit
Static drain-source on-state resistance, 5V
operation and 3.3V operation
VI(IN) = 5V or 3.3V, IO = 1.0A, 40°C ≤TJ≤ 125°C
-
70
135
mΩ
Static drain-source on-state resistance,
2.7V operation(2)
VI(IN) = 2.7V, IO = 1.0A, -40°C
≤TJ ≤ 125°C
VI(IN) = 5.5V
CL=1F,
VI(IN) = 2.7V
RL=5Ω, TJ
VI(IN) = 5.5V
=25°C
VI(IN) = 2.7V
-
75
150
mΩ
0.05
0.05
0.6
0.4
-
1.5
1
0.5
0.5
ms
2.7 V ≤ VI(IN) ≤ 5.5 V
2.7 V ≤ VI(IN) ≤ 5.5 V
VI(EN) = 0 V or 5.5 V
CL = 100F, RL = 5Ω
CL = 100F, RL = 5Ω
2
-0.5
-
-
0.8
0.5
3
10
VI(IN)=5V, OUT TJ =25°C
connected
to
GND,
device -40°C ≤TJ ≤
enabled
into 125°C
short-circuit
VI(IN)=5V,
current
ramp
(≤100A/s) on OUT
1.1
1.5
1.9
1.1
1.5
2.1
1.6
2.3
3.0
-
0.1
-
-
0.2
-
-
43
-
-
43
-
-40°C ≤TJ ≤
125°C
-
1
-
TJ =25°C
-
0.1
-
Sym
Power Switch
RDS(on)
tr (2)
Rise time, output
tf (2)
Fall time, output
Enable Input /EN or EN
VIH
High-level input voltage
VIL
Low-level input voltage
II
Input current
ton
Turn on time
toff
Turn off time
Current Limit
IOS
Short-circuit output current
IOC_TRIP
Over-current trip threshold
V
A
ms
A
A
Supply Current
ISTB
Input supply current at output disable
ISS
Input supply current at output enable
Leakage current
Reverse leakage current
No load on OUT,
VI(/EN)= 5.5V, or
VI(EN)=0V
No load on OUT,
VI(/EN) = 0V, or
VI(EN)=5.5V
OUT connected
to
ground,
VI(/EN)=5.5V, or
VI(EN)=0V
VI(OUT)=5.5V,
IN=ground
TJ =25°C
-40°C ≤TJ ≤
125°C
TA=25°C
-40°C ≤TJ ≤
125°C
A
Under-Voltage Lockout
Low-level input voltage, IN
2
2.5
V
Hysteresis, IN
TJ=25°C
75
mV
Over-Current /OC
Output low voltage, VOL(OC)
IO(/OC)=5mA
0.4
V
Off-state current
VO(/OC)=5V or 3.3V
1
A
OC deglitch
/OC assertion or deassertion
4
12
15
ms
Thermal Shutdown(3)
Thermal shutdown threshold
135
°C
Recovery from thermal shutdown
125
°C
Hysteresis
10
°C
Note:
(1) Pulse-testing techniques maintain junction temperature close to ambient temperature; thermal effects must be taken into
account separately.
(2) Not tested in production, specified by design.
(3) The thermal shutdown only reacts under over current conditions.
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PI5PD2061/65
70mΩ Current-Limited, Power-Distribution
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Switches
Typical Performance and Characteristics
1.
Turn On Delay and Rise Time
PI5PD2061
RL=5Ω, CL=1µF, TA=25℃
PI5PD2061
RL=5Ω, CL=1µF, TA=25℃
VI(/EN)
5V/Div
VI(/EN)
5V/Div
VO(/OUT)
2V/Div
VO(/OUT)
2V/Div
Time (200µs/Div)
Time (200µs/Div)
PI5PD2061
RL=5Ω, CL=100µF, TA=25℃
PI5PD2061
RL=5Ω, CL=100µF, TA=25℃
VI(/EN)
5V/Div
VI(/EN)
5V/Div
VO(/OUT)
2V/Div
VO(/OUT)
2V/Div
Time (200µs/Div)
Time (400µs/Div)
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70mΩ Current-Limited, Power-Distribution
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Switches
2.
Over-Current /OC Response
PI5PD2061
TA=25℃, RL=2Ω, CL=0.1µF
PI5PD2061
TA=25℃, RL=1Ω, CL=0.1µF
VO(/OC)
2V/Div
VO(/OC)
2V/Div
IO(OUT)
1A/Div
IO(OUT)
1A/Div
Time (2ms/Div)
Time (2ms/Div)
3.
Output Short Then Enable
PI5PD2061
TA=25℃
4.
Inrush Current
PI5PD2061
TA=25℃, RL=5Ω, VI(IN)=5V
VI(/EN)
2V/Div
VI(/EN)
2V/Div
IO(OUT)
0.5A/Div
IO(OUT)
0.5A/Div
Time (400µs/Div)
Time (1ms/Div)
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70mΩ Current-Limited, Power-Distribution
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Switches
Turn On/Off Time vs. Input Voltage
Turn On Time
RL=5Ω, CL=100µF, TA=25℃
Turn Off Time
RL=5Ω, CL=100µF, TA=25℃
800
800
700
600
Turn Off Time (µs)
Turn On Time (µs)
5.
600
500
400
200
0
2
3
4
Input Voltage (V)
5
6
2
Rise and Fall Time vs. Input Voltage
Rise Time
RL=5Ω, CL=1µF, TA=25℃
3
4
Input Voltage (V)
5
6
5
6
Fall Time
RL=5Ω, CL=1µF, TA=25℃
800
400
600
300
Fall Time (µs)
Rise Time (µs)
6.
400
400
200
200
100
0
0
2
3
4
Input Voltage (V)
5
2
6
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3
4
Input Voltage (V)
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70mΩ Current-Limited, Power-Distribution
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Switches
Supply Current vs. Ambient Temperature
Output Enable, TA=25℃
Output Disable, TA=25℃
60
OUT Disable Supply Current (nA)
OUT Enable Supply Current (µA)
7.
Vin=5.5V
Vin=5V
Vin=3.3V
Vin=2.7V
40
20
0
160
Vin=5.5V
Vin=5V
Vin=3.3V
Vin=2.7V
120
80
40
0
-50
8.
200
0
50
100
Ambient T emperature(℃)
150
-50
0
50
100
Ambient T emperature (℃)
150
Static Drain-Source on Resistance vs. Ambient Temperature
On Resistance (mΩ)
100
80
60
40
Vin=5V
Vin=3.3V
Vin=2.7V
20
0
-50
0
50
100
Ambient T emperature(℃)
150
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70mΩ Current-Limited, Power-Distribution
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Switches
9.
Current Limit vs. Ambient Temperature
PI5PD2061
Short-Circuit Output Current vs. Ambient Temperature
PI5PD2061
Threshold Trip Current vs. Input Voltage
1.5
Short Circuit Current (A)
Threshold Trip Current (A)
3
2
1
0
1.3
1.1
Vin=5.5V
Vin=5V
Vin=3.3V
Vin=2.7V
0.9
0.7
0.5
2
3
4
Input Voltage (V)
5
6
-50
0
50
100
Ambient T emperature (℃)
150
Applications Information
The power switch is an N-channel MOSFET with a low RDS(on) 70mΩ resistance. Configured as a high-side switch, the power
switch prevents leakage current flow from output to input when chip disabled. The power switch supplies a maximum continuous
current up to 1.5A.
Power-Supply Considerations
PI5PD2061
POWER SUPPLY
2.7V to 5.5V
0.1µF
IN
OUT
IN
OUT
LOAD
0.1µF
22µF
OUT
/OC
/EN
GND
Figure 1 Typical Application Circuit
A 0.01μF to 1μF ceramic bypass capacitor between IN and GND, close to the device, is recommended. Placing a high-value
electrolytic capacitor on the output pin(s) is recommended when the output load is heavy. This precaution reduces power-supply
transients that may cause ringing on the input. Additionally, bypassing the output with a 0.01μF to 1μF ceramic capacitor
improves the immunity of the device to short-circuit transients.
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70mΩ Current-Limited, Power-Distribution
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Switches
Enable (/EN or EN)
The enable pin is logic enable & disables the power switch, which is compatible with CMOS and TTL logic levels. The supply
current is reduced to less than 1μA when a logic high is present on /EN, or when a logic low is present on EN. A logic zero input
on /EN, or a logic high input on EN restores the bias to the driver and control circuits and turns the switch on
/OC Output
The /OC open-drain output is asserted (active low) when an over current or over temperature condition is asserted. The output
remains asserted until the over current or over temperature condition is removed. The /OC pin requires a pull-up resistor, this
resistor should be larger to reduce energy drain. A 100KΩ pull-up resistor works well for most applications. In the case of an
over-current or short-circuit conditions, /OC will be asserted only after response delay time, Td, 14ms have elapsed. If an over
temperature shutdown occurs, the /OC is asserted instantaneously.
V+
PI5PD2061
IN
/OC
IN
OUT
GND
OUT
/EN
OUT
Rpullup
Figure 2 Typical Circuit for the /OC Pin
Under-Voltage Lockout (UVLO)
A voltage sense circuit monitors the input voltage, an under voltage lockout ensures that the power switch is in the off state at
power up. When the input voltage is below approximately 2V, a control signal turns off the power switch.
Power Dissipation Calculation
The low RDS(on) resistance on the N-channel MOSFET allows the small surface-mount packages to pass large currents. The thermal
resistances of these packages are high compared to those of power packages. Begin by determining the RDS(on) of the N-channel
MOSFET relative to the input voltage and operating temperature. Using this value, the power dissipation per switch can be
calculated by:
• PD = RDS(on)× I
2
Multiply this number by the number of switches being used. This step renders the total power dissipation from the N-channel
MOSFET.
Finally, calculate the junction temperature:
• TJ = PD x RθJA + TA
Where:
• TA= Ambient temperature °C
• RθJA = Thermal resistance
• PD = Total power dissipation based on number of switches being used.
Thermal Protection
Thermal protection prevents damage to the IC when heavy-overload or short-circuit faults are present for extended periods of time.
The PI5PD2061/65 implements a thermal protection circuitry to monitor the operating junction temperature of the power
distribution switch. In an over current or short-circuit condition cause to the junction temperature rises, when the die temperature
rises to approximately 135°C due to over current conditions, the internal thermal protection circuitry turns off the switch, thus
preventing the device from damage. Hysteresis is built into the thermal protection circuitry, and after the device has cooled
approximately 10 degrees, the switch turns back on. The switch continues to cycle off and on until the fault is removed. The opendrain false reporting output (/OC) is asserted (active low) when an over temperature shutdown or over current occurs.
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70mΩ Current-Limited, Power-Distribution
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Switches
Universal Serial Bus (USB) Application
The universal serial bus (USB) interface is a 480Mb/s or 12Mb/s, multiplexed serial bus designed for low-to-medium bandwidth
PC peripherals (e.g., keyboards, printers, scanners, and mice). The four-wire USB interface is conceived for dynamic attachdetach (hot plug-unplug) of peripherals. Two lines are provided for differential data, and two lines are provided for 5V power
distribution.
USB data is a 3.3V level signal, but power is distributed at 5V to allow for voltage drops in cases where power is distributed
through more than one hub across long cables. Each function must provide its own regulated 3.3V from the 5V input or its own
internal power supply.
The USB specification defines the following five classes of devices, each differentiated by power-consumption requirements:
• Hosts/self-powered hubs (SPH)
• Bus-powered hubs (BPH)
• Low-power, bus-powered functions
• High-power, bus-powered functions
• Self-powered functions
SPHs and BPHs distribute data and power to downstream functions. The PI5PD2061/65 has higher current capability than
required by one USB port; so, it can be used on the host side and supplies power to multiple downstream ports or functions.
Host/Self-Powered and Bus-Powered Hubs
Hosts and SPHs have a local power supply that powers the embedded functions and the downstream ports (see Figure 3). This
power supply must provide from 5.25V to 4.75V to the board side of the downstream connection under full-load and no-load
conditions. Hosts and SPHs are required to have current-limit protection and must report over current conditions to the USB
controller. Typical SPHs are desktop PCs, monitors, printers, and stand-alone hubs.
Downstream
USB Ports
POWER SUPPLY
PI5PD2061
3.3V 5V
D+
2, 3
Vbus
OUT
IN
0.1µF
USB
Controller
5
D-
6, 7, 8
0.1µF
120µF
GND
/OC
4
/EN
GND
1
Figure 3 Typical USB Host/Self-Powered Hub
BPHs obtain all power from upstream ports and often contain an embedded function. The hubs are required to power up with less
than one unit load. The BPH usually has one embedded function, and power is always available to the controller of the hub. If the
embedded function and hub require more than 100mA on power up, the power to the embedded function may need to be kept off
until enumeration is completed. This can be accomplished by removing power or by shutting off the clock to the embedded
function. Power switching the embedded function is not necessary if the aggregate power draw for the function and controller is
less than one unit load. The total current drawn by the bus-powered device is the sum of the current to the controller, the
embedded function, and the downstream ports, and it is limited to 500mA from an upstream port.
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70mΩ Current-Limited, Power-Distribution
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Switches
Mechanical Information
TAE(Lead free and Green SOT23-5)
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PI5PD2061/65
70mΩ Current-Limited, Power-Distribution
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Switches
WE (Lead free and Green SOIC-8)
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PI5PD2061/65
70mΩ Current-Limited, Power-Distribution
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Switches
UEE(Lead Free and Green EP-MSOP-8)
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PI5PD2061/65
70mΩ Current-Limited, Power-Distribution
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Switches
Ordering Information
Part Number
Package Code
Package
PI5PD2061WE
W
Lead free and Green 8-Pin SOIC
PI5PD2061UEE
UE
Lead free and Green 8-Pin EP-MSOP
PI5PD2061TAE
TA
Lead free and Green 5-Pin SOT23
PI5PD2065WE
W
Lead free and Green 8-Pin SOIC
PI5PD2065UEE
UE
Lead free and Green 8-Pin EP-MSOP
PI5PD2065TAE
TA
Lead free and Green 5-Pin SOT23
Notes:
E = Pb-free and Green
Adding X Suffix= Tape/Reel
Function comparison table
Part Number
Enable
Recommended maximum
continuous load current
Typical short-circuit
current limit at 25ºC
Number of switch
PI5PD2061
PI5PD2065
Active Low
Active High
1.5A
1.5A
Single
Single
Pericom Semiconductor Corporation 1-800-435-2336 www.pericom.com
Pericom reserves the right to make changes to its products or specifications at any time, without notice, in order to improve design or performance and to supply
the best possible product. Pericom does not assume any responsibility for use of any circuitry described other than the circuitry embodied in Pericom product. The
company makes no representations that circuitry described herein is free from patent infringement or other rights, of Pericom.
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