Evm Jumper Connections And Shunt Installation - Texas Instruments BQ25887 User Manual

Qfn boost-mode battery charger with cell balancing evaluation module
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Jack
STAT, PG, CE, INT, SDA, and SCL pins 3.3-V LDO pullup source of either SYS (pin 1 to 2)
JP1
or BAT (pin 2 to 3)
JP2
ILIM pin connection to resistor to GND
JP3
DNI
Connects PSEL to either REGN (pins 2 to 3) or GND (pins 1 to 2) for setting default input
JP4
current limit to 500 mA or 3 A, respectively, at start-up; may be clamped lower due to
resistor on ILIM pin
JP5
TS resistor divider pullup source (REGN) connection
JP6
DNI
JP7
Connects an onboard 10 kΩ from TS pin to GND
JP8
DNI
JP9
Connects CD to GND
JP10
Pulls up STAT through diode and resistor to pullup source
JP11
Pulls up PG through diode and resistor to pullup source
JP12
Pull up SDA through 10-kΩ resistor; optional if I2C line has internal pullup.
JP13
Pull up SCL through 10-kΩ resistor; optional if I2C line has internal pullup.
JP14
Pull up INT through 10-kΩ resistor
JP15
Pull up CD through 10-kΩ resistor
Table 4
lists the recommended operating conditions for this EVM.
Symbol
Supply voltage, V
VBUS
Cell voltage, V
in charge
CELL
mode
I
BAT
Supply current, I
IN
SLUUC12 – February 2019
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Advance Information
Table 3. EVM Jumper Connections and Shunt Installation
Description
Table 4. Recommended Operating Conditions
Description
Input voltage from AC adapter
voltage applied at BAT to TOP-/BOT+ terminal
and TOP-/BOT+ to PGND terminal
Fast charging current
Discharging current through internal MOSFET
Maximum input current from AC adapter input
BQ25887 QFN boost-mode battery charger with cell balancing evaluation
Copyright © 2019, Texas Instruments Incorporated
BQ25887 Setting
Shunt pins 2 and 3
Installed
NA
Shunt pins 2 and 3
Installed
NA
Installed
NA
NA
Installed
Shunt pins 2 and 3
Shunt pins 2 and 1
Installed
Installed
Open
MIN
TYP
MAX
3.9
5
6.5
0 or
4.2
4.6
floating
0
2.2
6
0
3.3
Introduction
Unit
V
V
A
A
A
3
module

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