
Table 1-1. I/O Description (continued)
Jack
Description
J2-OTG/VAP
External OTG/VAP disable pin; Logic LOW to disable OTG/VAP
J2-CELL_CONTROL
External battery removal control; Logic high to pull CELL pin down
J2-ILIM_HIZ
External converter disable; Logic LOW to enable HIZ mode
J3-SCL
SMBUS/I2C SCL
J3-GND
Ground
J3–SDA
SMBUS/I2C SDA
J4-GND
Ground
J4-CMPIN
External CMPIN pin input
J4-CMPOUT
CMPOUT pin output
J5-VBAT
Connected to battery pack output
J5-PGND
Ground
J6-VSYS
Connected to system output
J6-PGND
Ground
J7–SDA
SMBUS/I2C SDA
J7-SCL
SMBUS/I2C SCL
J7-GND
Ground
displays the controls and key parameters settings.
Table 1-2. Controls and Key Parameters Setting
Jumper
Description
Factory Setting
JP2
Jumper on: Forward Mode
Jumper off: Enable OTG
Installed
JP3
CELL setting
spa
1S: JP3(1-2) measure CELL pin voltage 1.2 V
spa
2S: JP3(3-4) measure CELL pin voltage 2.7 V
spa
3S: JP3(5-6) measure CELL pin voltage 3.9 V
spa
4S: JP3(7-8) measure CELL pin voltage 4.2 V
spa
5S: JP3(9-10) measure CELL pin voltage 6.0 V
JP3(3-4) installed
JP4
Jumper on: Bat removal
Jumper off: Cell setting by JP3
Not installed
JP6
HIZ Enable
spa
Jumper on: Enable HiZ mode.
spa
Jumper off: ILIM is set by external resistor divider
Not installed
JP8
Jumper on: Onboard LDO to drive the EVM 3V3
Jumper off: disconnect onboard LDO to drive the EVM 3V3
Installed
Introduction
SLUUCB9A – JUNE 2020 – REVISED JANUARY 2021
BQ2573X Evaluation Module
3
Copyright © 2021 Texas Instruments Incorporated