Click here for production status of specific part numbers.
Evaluates: MAX77860
MAX77860 Evaluation System
General Description
The MAX77860 evaluation system (EV system) is a fully
assembled and tested surface-mount printed circuit board
(PCB) that evaluates the single input switched-mode
battery charger featuring USB Type-C CC detection and
charging capability in addition to reverse boost capability
and a safeout LDO.
The MAX77860 EV system includes the integrated circuit
(IC) evaluation board with an integrated I2C interface and
a MINIQUSB communication device. Windows® based
graphical user interface (GUI) software is available for
use with the EV system and can be downloaded from
the MAX77860 product page on the Maxim website. A
Windows 7 or newer operating system is required to use
the EV kit GUI software.
Features
●● Evaluates MAX77860 Single-Input Switch Mode
Charger
●● Demonstrates 4.0V to 13.5V Input Operation Range
●● Demonstrates USB Type-C Charging Up to 3.15A
●● Demonstrates Adapter Detection
●● Demonstrates USB-OTG Functionality
●● Assembled and Tested
●● I2C Serial Interface
Ordering Information appears at end of data sheet.
MAX77860 EV System Files
FILE
MAX77860GUISetupx.x.x.exe
DESCRIPTION
Installs EV kit files on PC
MAX77860 EV System Component List
PART
QTY
DESCRIPTION
MAX77860EVKIT
1
MAX77860 evaluation kit
MAXIM MINIQUSB
1
MINIQUSB interface board
USB HIGH-SPEED A-TO-B CABLES 6FT
1
MINIQUSB cable
Windows is a registered is a registered trademark and service
mark of Microsoft Corporation.
319-100317; Rev 1; 2/19
MAX77860 Evaluation System
Evaluates: MAX77860
Quick Start
2) Use the USB cable provided in the EV system to
connect the MINIQUSB interface board to the PC’s
USB port.
Required Equipment
●● MAX77860 EV kit
●● Single-cell Lithium-ion (Li-ion) battery pack
●● Charging wall adapter or DC power supply capable
of supplying 15.0V/3A
●● Standard USB Type A to Type B cable (included in
the EV system)
●● PC running Windows 7 or above
Setup Overview
A typical bench setup for the MAX77860 EV system is
shown in Figure 1.
Procedure
Note: Do not turn on the DC power supplies until all
connections are made.
3) Install the MAX77860 graphical user interface (GUI)
from the MAX77860 product page on the Maxim
website.
4) Verify whether the jumper settings follow the default
configuration See Jumper Settings section.
5) Connect a Li-ion battery to the pads labeled BATT
and BATTGND.
6) Connect a USB wall adapter to the USB Type C port
on the board.
7) Launch the MAX77860 GUI software.
8) Select Device > Connect from the window options
to connect to the EV system.
1) Carefully connect the boards by inserting the 20-pin
female connector of the MAX77860 EV system with the
20-pin male header of the MINIQUSB interface board.
The two boards should be flush with each other.
5V/3A POWER
ADAPTER
J14 USB TYPE-C INPUT
MULTIMETER
A
BATTERY
BATT
MAX77860 EVALUATION
BOARD
BATTGND
J2
MINIQUSB
BOARD
Figure 1. MAX77860 Bench Setup
www.maximintegrated.com
Maxim Integrated │ 2
MAX77860 Evaluation System
Detailed Description of Software
The MAX77860 GUI software provides an easy-to-use
interface to control the function blocks of the IC.
Software Installation
The software requires Windows 7 or newer operating system .NET 4.5 is required for operation and is automatically
installed if an older version of .NET is detected. To install
the evaluation software, exit all programs currently running
and unzip the provided MAX77860 GUI setup zipped file.
Evaluates: MAX77860
Double click the MAX77860GUISetupx.x.xx.exe icon to
begin the installation process. Follow the prompts to complete the installation. The evaluation software can be uninstalled in the Add/Remove Programs tool in the Control
Panel. After the installation is complete, open the Maxim
Integrated/MAX77860 folder and run MAX77860.exe or
select MAX77860 from the program menu. A splash screen
containing information about the evaluation kit appears as
the program is being loaded (Figure 2).
Figure 2. MAX77860 GUI Splash Screen
www.maximintegrated.com
Maxim Integrated │ 3
MAX77860 Evaluation System
Communication
The software automatically finds the EV system board
through USB identification. If the connection cannot be
found, then a Not Connected message is displayed.
Once the micro-USB cable is attached, click on the main
window option, Device > Connect, and a synchronization
Evaluates: MAX77860
window appears. This window shows the IC sub-blocks
and their corresponding slave addresses. Choose Read
and Close and the status bar displays Connected to
signify active communication. An example of a successful
connection is shown in Figure 3.
Figure 3. MAX77860 Communication Window
www.maximintegrated.com
Maxim Integrated │ 4
MAX77860 Evaluation System
Main Display
Status bits and programmable functions of charger,
master-slave, ADC, and USB Type-C can be accessed
Evaluates: MAX77860
through their respective interface tabs from the left column of the window (Figure 4).
Figure 4. MAX77860 Top-Level Registers
www.maximintegrated.com
Maxim Integrated │ 5
MAX77860 Evaluation System
Register Write Access
Modification of the charger registers are locked by default
to prevent arbitrary changes. Therefore, changes made to
the charger registers in the locked state are not applied
to the EV system. To unlock register writing, select the
Unlocked option from the drop-down list of CHGPROT
in the CHG Config 06/07/09 tab, and then click on
Write. Read the register and CHGPROT should remain
Evaluates: MAX77860
in Unlocked state, signifying open register access. From
this point onwards, modifications that are written to any of
the registers are applied to the EV system. For example,
the maximum input current limit can be changed from the
CHG Config 09 register by selecting the required value
and clicking Write, but only after the registers have been
unlocked from CHG Config 06 (Figure 5).
Figure 5. Charger Register Write Access
www.maximintegrated.com
Maxim Integrated │ 6
MAX77860 Evaluation System
Evaluates: MAX77860
Detailed Description of Hardware
3) Open software screen and program the charger
settings adequate to your system.
Battery Charger Test Setup
1) Power Source:
a. If the charging source is a DC power supply, then
adjust its voltage and current limits to 5.0V and
3.0A, respectively. Connect the power supply
between VBUS and GND on the EV kit board.
b. If the charging source is a wall adapter, then
either the USB Type-C port or micro-USB port
can be used for charging. Note that high current
charging (up to 3A) requires an adapter and cable
capable of high-power delivery.
2) Connect a single cell Li-ion battery between BATT
and BATTGND.
4) In the Charger tab, disable the USB Type C CTRL
over CHG bit in the CHG_Config_00 to enable charging using the USB Type-C port or the micro-USB port.
5) In the USB Type C tab, enable NoAutoIBUS in the
BC_CONTROL1 register so that the current limit
setting can be manually controlled by I2C.
6) Set the maximum input current limit in the CHG
Config 09 register, and then select the required fast
charge current in the CHG Config 02 register.
7) Use data logging equipment to log charge current
and VBATT profile while charging a fully discharged
single cell Li-ion battery.
Jumper Settings
JUMPER
NO.
PCB
SILKSCREEN
DEFAULT
POSITION
J3
SLAVE
2-3
1-2: Connect to slave charger
2-3: Slave charger not present
J4
FLED1
Open
Open: Disconnect flash LEDs
Close: Connect flash LEDs
J5
FLED2
Open
Open: Disconnect flash LEDs
Close: Connect flash LEDs
J6
THM
1-2
1-2: Connect THM to potentiometer
2-3: Connect THM to thermistor
J7
VIO
1-2
1-2: Connect VIO to VSYS
2-3: Connect VIO to external I2C pullup
J8
DETBATB
2-3
1-2: Connect DETBATB to VIO
2-3: Connect DETBATB to GND
J9, J17
GND
Open
Open: Disable SYS to input of U4 (Type-C block)
Close: Enable SYS to input of U4 (Type-C block)
J10
THMB
Close
Open: Disconnect THMB from potentiometer
Close: Connect THMB to potentiometer
J11
ONKEY
2-3
1-2: Disable ONKEY control of button SW-OKEY
2-3: Enable ONKEY control of button SW-OKEY
J12
CC1
Open
Open: Disable on-board Type-C emulation setting
Close: Enable on-board Type-C emulation setting
J13
CC2
Open
Open: Disable on-board Type C emulation setting
Close: Enable on-board Type C emulation setting
J15
VBUSDET
Open
Open: Disconnect CHGIN and VBUSDET
Close: Connect CHGIN and VBUSDET
www.maximintegrated.com
FUNCTION
Maxim Integrated │ 7
MAX77860 Evaluation System
Evaluates: MAX77860
MAX77860 EV System Component List
DESIGNATION
QTY
D+, D-, AVL, BST, CC1, CC2,
CSN, CSP, PVL, SCL, SDA,
SW1, SW2, THM, VIO, BYPS
16
TESTPOINT, PC MINI-RED
BYP, BATT, GND1–GND4,
PGND, VBUS, VSYS, CHGIN,
BATTGND
11
WIRE, BUSS 20G PLATED SOLID COPPER
C1
1
CAP+,1000pF,10%,50V,C0G,0402
ANY
C2, C12, C19, C20
4
CAP+,1uF,10%,6.3V,X5R,0402
ANY
C3
1
CAP+,100pF,5%,50V,C0G,0402
ANY
C4
1
CAP+,2.2UF,10%,6.3V,X5R,0402
ANY
C5
1
CAP#,10uF,20%,6.3V,X5R,0402
ANY
C6
1
CAP+,2.2UF,10%,25V,X5R,0603
ANY
C7
1
CAP+,4.7uF,20%,10V,X5R,0402
ANY
C8, C9
2
CAP+,0.1uF,10%,25V,X7R,0402
GRM155R71E104KE14
C10, C15
2
CAP+,10UF,20%,16V,X5R,0603
ANY
C11, C13
2
CAP+,10uF,20%,25V, X5R,0603
C1608X5R1E106M080AC;
CL10A106MA8NRNC
C14
1
CAP+,22uF,20%,10V, X5R,0603
ANY
C17
1
CAP+,100uF,20%,6.3V, TANT,1210
TCJB107M006R0070
C21
1
CAP+,1UF,20%,25V, X5R,0402
ANY
C22
1
CAP+,10uF,10%,6.3V, X7R,0805
GRM21BR70J106K;
C2012X7R0J106K125AB
C23
1
CAP+,0.1uF,10%,10V, X5R,0402
ANY
C24
1
CAP+, 22UF 20% 10V TANT
PSLB31A226M
CHGGNDS
1
BLACK MINI TEST POINTS
5001
D3-D6
4
DIODE+, TVS,25V,4A,0402
RCLAMP0521PA
D10, D11
2
LED+, YELLOW, OSLON2.2V,350mA,3X3MM
GW CSSRM1.EC-MQMS-5H7I-1
D12
1
LED+, SURFACE MOUNT GREEN (0603)
LTST-C190GKT
INFLED
1
PC TEST POINT RED
5010
J1
1
RCPT+, MICRO B USB 2.0,5 POS, SMD, R/A
10103592-0001LF
J2
1
SOCKET+,0.1”,2X10POS, FEMALE, R/A,TH
PPTC102LJBN-RC
J3, J6–J8, J11
5
HEADER#,3POS,.100”, SNGL, TIN
TSW-103-07-T-S
J4, J5, J9, J10, J12,
J13, J15–J17
9
HEADER#,2POS,.100”, SNGL, TIN
TSW-102-07-T-S
J14
1
CONN+,USB 3.1 RCPT,24 POS,RA,TH
898-43-024-90-310000
L1
1
INDCTR+,1 uH,20%,4.1A,1008
CIGT252010EH1R0M
L2
1
INDCTR+,1.2 uH,20%,5.8A,4.1X4.1MM
1127AS-1R2N
www.maximintegrated.com
DESCRIPTION
MANUFACTURER PART NO.
5000
9020 BUSS
Maxim Integrated │ 8
MAX77860 Evaluation System
Evaluates: MAX77860
MAX77860 EV System Component List (continued)
DESIGNATION
QTY
DESCRIPTION
MANUFACTURER PART NO.
R1, R2
2
RES,2.2K OHM,1%,0402
CRCW04022K20FK;
RC0402FR-072K2L
R3
1
RES#,1.2M OHM,1%,0402
RK73H1ETTP1204F
R4
1
RES+,120K OHM,1%,0402
CRCW0402120KFK
R5, R6
2
RES#,200K OHM,1%,0402
CRCW0402200KFK; RF73H1ELTP2003
R7, R8, R13, R14
4
RES#,0 OHM,5%,0402
ERJ-2GE0R00X
R9
1
RES,470 OHM,1%,0402
CRCW0402470RFK
R10
1
RES#,10K OHM,1%,0402
CRCW040210K0FK;
RC0402FR-0710K
R11
1
RES#, POT,100K OHM,10%,9.53X4.83MM
3296Y-1-104LF
R12
1
RES+,0.005 OHM,1%,1/2W,0603
RLM-0816-4F-R005-FNH
R16
1
RES#,100 OHM,1%,0402
CRCW0402100RFK; 9C04021A1000FL;
RC0402FR-07100RL
R17, R18
2
RES#,56K OHM,1%,0402
ERJ-2RKF5602X
RT1
1
RES#, THERM,10K 0,1%,0402
NCP15XH103F03RC
SW3, SW4, SW-ONKEY
3
PUSH BUTTON SWITCHES
EVQ-Q2K03W
U1
1
MAX77860EWG+
MAX77860
U2
1
MAX14681EWC+, MAX14699EWC+T
MAX14681EWC+, MAX14699EWC+T
U3
1
MAX8511EXK18+
MAX8511EXK18+
U4
1
MAX8815AETB+
MAX8815AETB+
Ordering Information
PART
MAX77860EVKIT#
TYPE
EV System
#Denotes RoHS compliance.
www.maximintegrated.com
Maxim Integrated │ 9
MAX77860 Evaluation System
Evaluates: MAX77860
MAX77860 EV Kit Schematic
7
6
5
D5
3
C19
C20
1UF
3
0402_FF
SHDN N.C.
GND
2
6.3V
SW1
5
4
SLAVE
TSW-103-07-T-S
1UF
SW2
0402_FF
6.3V
200K
R2
2.2K
VSYS
SCL
SDA
INTB
INOKB
2.2K
0402
0402
R6
200K 0402
ONKEY
1
3
5
7
9
11
13
15
17
19
SWI1
C6
SWI2
B5
SLAVE
E8
VIO
C8
25V
0402
SAFEOUT
AVL
J11
0402_FF
VSYS
R9
A
470 INFLED
0402
B' 4
3 B
1 A
A' 2
3 B
B' 4
SW4
EVQ-PHV03T
3 B
A' 2
B' 4
T
INFLED
2
1
10V
0402_FF
FLED1
FLED2
TEST3
TSW-102-07-T-S
TEST4
2
VCCTEST
J21
TSW-102-07-T-S
2
F2
SYS_A
D9
SYS_Q
D6
1
G1
G2
C1
J7
SAFEOUT
F5
AVL
G4
PVL
C7
CHGIND
G7
NC1
H7
NC2
H8
NC3
H9
BATT
C2
D1
BATT
D2
DETBATB
E7
THMB
A2
THM
B1
C12
1UF
VSYS
VSYS
J8
NC6
GND_Q
C8
GND_A
A1
F7
NC7
GND_A
A3
F8
NC8
GND_A
A9
GND_A
D3
TEST1
GND_A
D4
B8
TEST2
GND_A
D5
B7
TEST3
GND_A
E5
B6
TEST4
GND_A
F4
GND_A
J9
10V
C16
16V
OPEN
TP
PGND
MAXIMPAD
SYSS-
TP
CSP
CSN
R12
VIO
16V
DETBATB
0.005
J8
C17
100UF
0603
TSW-103-07-T-S
3
8
www.maximintegrated.com
7
6
5
BATTGND
MAXIMPAD
B
THMB
THM
R13
0
BAT_SN
R14
0
R11
100K
J10
1
2 1 1
3 3
2
TSW-102-07-T-S
A
R10
2
10K
J6
0402
1
TSW-103-07-T-S
RT1
10K
0402
2
PROJECT TITLE:
DRAWING TITLE:
TSW-103-07-T-S
MAX77860 EVALUATION KIT
DATE:
HARDWARE NUMBER:
B
ENGINEER:
NAME
12/23/2015
DRAWN BY:
REV:
LAKSHMI BHUJ
TEMPLATE REV:
1.5
4
DNI
C18
100UF
3528CAP
3528CAP
SIZE
1
BATT
MAXIMPAD
BATT
2
2
VSYS
0805
C15
TP
THM
C3
C
0603_FF
10UF
CSP
DETBATB
THMB
CSN
GND_D
0603_FF
C14
0402_FF
0603_FF
B3
GND_D2
6.3V
C25 1UF
10UF
CSP
VSYS
MAXIMPAD
VSYS
TP
SYSS+
22UF
C10
F3
NC4
CHGLX
6.3V
BAT_SN
NC5
TP
0402
0402_FF
E4 BAT_SP
C4
VCCTEST
0603
0.1UF
L1
1UH
2520
BAT_SP
C9
B9
BST
25V
LX
J1
BATT
ONKEY
25V
0603
BST
C9
H1
CHGPG
B2
10UF
25V
J22
TSW-102-07-T-S
F1
SYS
CHGRGSUB
INOKB
TSW-102-07-T-S
J19
1
TEST2
J20
1
2
E3
SYS
INTB
TEST1
J18
1
SYS
SDA
G9
TSW-102-07-T-S
FLASHEN
E2
SCL
G8
2
TORCHEN
E1
SYS
F9
CHGIND
C7
J5
A
TORCHEN
K
4.7UF
1
D11
FLASHEN
1 A
C5
TSW-102-07-T-S
C
A
VSYS
A
T
3
SW3
EVQ-PHV03T
PVL
J4
D10
C
J3
SYS
E9
E6
TP
J2
D8
10UF
6.3V
CHGIND
H3
CHGLX
CHGPG
C11
10UF
H4
2
2
TSW-103-07-T-S
AVL
PVL
6.3V
D12
A' 2
1 A
C4
2.2UF
CHGLX
BATT
INTB
1UF
CHGLX
CHGPG
0.1UF
SCL
0402_FF
SW-ONKEY
EVQ-PHV03T
CC2
C5
6.3V
BATT
CC1
SWI1
SWI2
SLAVE
VIO
C2
SAFEOUT
DP
A6
VCONNIN
ONKEY
1
2
4
6
8
10
12
14
16
18
20
H2
DN
A8
VCONNBTEN_SYS
INOKB
J2
PPTC102LJBN-RC
CHGLX
A7
A5
SDA
0402
R1
G3
B4
VIO
R5
BST
VBUSDET
G6
1
OUT
3
IN
J4
VCONNIN
2
MAX8511EXK18+
BYP
D7
A4
VCONNBTEN_SYS
VCONNIN
BYP
CHGIN
+
2
BYP
CHGIN
2
VCONNEN
1
J7
U3
CHGIN
OVPENB
1
CC2
J6
+
J3
CC1
CC2
CC1
J5
F6
2
VSYS
TSW-103-07-T-S
1
OVPENB
VBUSDET
DD+
BYP
MAXIMPAD
BYP
C13
2
5V
0402_FF
C
OVPENB
1UF C21
TSW-102-07-T-S
H6
0603_FF
25V
0402_FF
D4 5V
50V
11
10
9
8
7
6
D+
2
BYPS
BYP
1
100PF
SHIELD PINS
1
56K
D
TP
G5
CHGIN
3
D3
C3
25V
J13
R18
D-
H5
2.2UF
CHGGNDS
U1
IVS-81BGAP-A588-00
1
VBUS
C6
CHGINS
5V
1
1
2
3
4
5
1
2
3
4
5
B
CHGIN
D6
2
2
TSW-102-07-T-S
1
1
56K
J1
10103592-0001LF
1
2
J12
R17
CHGIN
3
CHGIN
MAXIMPAD
5V
D
4
3
8
3
2
P1
SHEET 1 OF 2
1
Maxim Integrated │ 10
MAX77860 Evaluation System
Evaluates: MAX77860
MAX77860 EV Kit Schematic (continued)
6
7
8
GND3
MAXIMPAD
D
2
3
4
5
1
GND1
MAXIMPAD
GND4
MAXIMPAD
D
GND2
MAXIMPAD
VBUS
MAXIMPAD
R15
CHGIN
2
OPEN
RX2RX2+
TP
TP
B9
SBU2
B8
A6
D+
A7
D-
B7
D+
B6
A8
SBU1
CC2
B5
A9
DVBUS
VBUS
B4
TX2-
B3
TX2+
B2
A10
RX2-
A11
RX2+
A12
GND
GND
B1
TP
DD+
CC2
C1
SBU2
TP
R4
TP
TX2TX2+
OVLO
120K
EN
A1
U4
MAX8815AETB+
0402
R8
0
1
J9
1
0
VSYS
TP
VBUSDET
1
L2
1.2UH
2
2
TSW-102-07-T-S
C22
10UF
0805
OVPENB
1
2
LX
LX
3
4
8
6
BATT
ON
SKIPB
FB
0402
J16
POUT
POUT
9
10
OUTS
7
1
2
VCONNIN
1
TSW-102-07-T-S
VBUSDET
R7
+
VBUS
B1
1.2M
0402
GND
EP
VBUS
CC1
VBUSDET
R3
RX1-
5
11
A4
A5
0402_FF
TPRX1+
GND
B10
GND
B11
RX1-
A3
B2
GND
B12
RX1+
OUT
OUT
B4
TP
SBU1
CC1
D+
D-
GND
TX1+
TX1-
A2
IN
IN
A4
TP
GND
A2
A3
OUT
IN
C2
C3
C4
A1
TP
TX1-
1000PF
C24
R16
C23
0.1UF
0402_FF
100K
2
MAX14681EWC+(or MAX14699EWC+T)
B3
C1
J14
898-43-024-90-310000
TX1+
J15
U2
VBUS
TSW-102-07-T-S
22UF
3528CAP
0402
J17
VCONNBTEN_SYS
0402
1
2
TSW-102-07-T-S
TP
C
C
B
B
A
A
MAX77860 EVALUATION KIT
PROJECT TITLE:
DRAWING TITLE:
SIZE
D
D
TYPEC-MAX8815
HARDWARE NUMBER:
ENGINEER:
NAME
DRAWN BY:
LAKSHMI BHUJ
TEMPLATE REV:
8
www.maximintegrated.com
7
6
5
4
3
2
1.5
DATE:
12/23/2015
REV:
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MAX77860 Evaluation System
Evaluates: MAX77860
Revision History
REVISION
NUMBER
REVISION
DATE
0
2/19
Initial release
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1
2/19
Updated Ordering Information
9
DESCRIPTION
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CHANGED
For pricing, delivery, and ordering information, please visit Maxim Integrated’s online storefront at https://www.maximintegrated.com/en/storefront/storefront.html.
Maxim Integrated cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim Integrated product. No circuit patent licenses
are implied. Maxim Integrated reserves the right to change the circuitry and specifications without notice at any time.
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