Texas Instruments BQ25883, Руководство пользователя, Страница: 3 / 25

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Introduction
3 SLUUC10 – February 2019
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BQ25883 QFN boost-mode battery charger evaluation module
Advance Information
Table 3 lists the EVM jumper connections.
Table 3. EVM Jumper Connections and Shunt Installation
Jack Description BQ25883 Setting
JP1
STAT, PG, CE, INT, SDA, and SCL pins 3.3-V LDO pullup source of either SYS (pin 1 to 2)
or BAT (pin 2 to 3)
Shunt pins 2 and 3
JP2 ILIM pin connection to resistor to GND Installed
JP3 Connects D+ pin to pin 3 of J5 mini-USB port installed
JP4 DNI NA
JP5 TS resistor divider pullup source (REGN) connection Installed
JP6 Connects D– pin to pin 2 of J5 mini-USB port Installed
JP7 Connects an onboard 10 k Ω from TS pin to GND Installed
JP8 DNI NA
JP9 CE pin to GND NA
JP10 Pulls up STAT through diode and resistor to pullup source Installed
JP11 Pulls up PG through diode and resistor to pullup source Shunt pins 2 and 1
JP12 Pull up SDA through 10-k Ω resistor; optional if I2C line has internal pullup. Shunt pins 2 and 1
JP13 Pull up SCL through 10-k Ω resistor; optional if I2C line has internal pullup. Installed
JP14 Pull up INT through 10-k Ω resistor Installed
JP15 CE pin through 10-k
Ω
resistor Open
Table 4 lists the recommended operating conditions for this EVM.
Table 4. Recommended Operating Conditions
Symbol Description MIN TYP MAX Unit
Supply voltage, V
VBUS
Input voltage from AC adapter 3.9 5 6.5 V
Battery voltage, V
BAT
in charge
mode
Voltage applied at V
BAT
terminal 0 or
floating
8.4 9.2 V
Battery voltage, V
BAT
in OTG
mode
Voltage applied at V
BAT
terminal 5.85 — 9.2 V
I
BAT
Fast charging current 0 — 2.2 A
Discharging current through internal MOSFET 6 — — A
Supply current, I
IN
Maximum input current from AC adapter input 0 — 3.3 A