Texas Instruments Evaluation Module for BQ25060 1A, Single-Input, Single Cell Li-Ion Battery Charger with 50mA LDO BQ250 BQ25060EVM 데이터 시트
제품 코드
BQ25060EVM
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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
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
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
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
ON: CHG
JP6
BGATE setting
Jumper OFF
OFF: Enable BGATE
ON: Disable 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
Copyright © 2010, Texas Instruments Incorporated