Datasheet
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Introduction
Table 1. I/O Description (continued)
Jack Description
JP2–TS Battery pack NTC monitoring input
JP2–TSADJ Onboard TS potentiometer
JP3–OUT Connected to J2-OUT
JP3–BAT Connected to J3-BAT
JP4–Vin Connected to J1-Vin
JP4–R5 Connected to R5
JP5–LED LED cathode
JP5–CHG Charge status indicator open-drain output
JP6–BGATE Battery P-channel MOSFET gate drive output
JP6–GND Ground
1.4 Control and Key Parameters Setting
Table 2. Control and Key Parameters Setting
Jack Description Factory Setting
JP1 Ctrl (EN) pin setting Float (No shunt) (-001)
Connect Ctrl (EN) to Hi: Disables Chip Low (JP1:2-3) (-002)
Float Ctrl (EN) pin: USB100 mode or Ctrl from J5 (-001)
Connect Ctrl (EN) to ground: ISET Ctrl
JP2 TS setting Jumper ON
OFF: Connect TS to external battery pack NTC resistor
ON: Connect TS to onboard potentiometer
JP3 OUT and BAT setting Jumper OFF
OFF: Do not short OUT and BAT
ON: Short OUT and BAT
JP4 Onboard bias supply setting Jumper ON
JP5 CHG LED setting Jumper ON
OFF: disconnect CHG and LED
ON: CHG
JP6 BGATE setting Jumper OFF
OFF: Enable BGATE
ON: Disable BGATE
1.5 Recommended Operating Conditions
Table 3. Recommended Operating Conditions
Symbol Description Min Typ Max Unit Notes
Supply voltage, V
IN
Input voltage from ac adapter input 4.35 5 10.2 V
Battery voltage, V
BAT
Voltage applied at VBAT terminal of J5 4.2 V
Supply current, I
AC
Maximum input current from ac adapter 0 1 A
input
Charge current, I
chrg
Battery charge current 1 A
Operating junction temperature 0 125 °C
range, T
J
3
SLUU438–July 2010 bq25050/bq25060EVM
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