参数资料
型号: BQ2057WSN
厂商: Texas Instruments
文件页数: 4/31页
文件大小: 0K
描述: IC LITH-ION LDO CHRG MGMT 8-SOIC
标准包装: 75
功能: 充电管理
电池化学: 锂离子(Li-Ion)、锂聚合物(Li-Pol)
电源电压: 4.5 V ~ 15 V
工作温度: -20°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOIC
包装: 管件
产品目录页面: 1017 (CN2011-ZH PDF)
配用: 296-9503-ND - EVAL MOD FOR BQ2057W
其它名称: 296-9364-5
bq2057, bq2057C
bq2057T, bq2057W
SLUS025F ? MAY 2001 ? REVISED JULY 2002
Terminal Functions
TERMINAL
NAME
NO.
SOIC (SN) and
MSOP
I/O
DESCRIPTION
TSSOP (TS)
(DGK)
BAT
CC
COMP
SNS
STAT
TS
VCC
VSS
2
7
8
1
5
4
3
6
8
5
6
7
3
2
1
4
I
O
I
I
O
I
I
Voltage sense input
Charge control output
Charge-rate compensation input (AutoComp)
Current sense input
Charge status output
Temperature sense input
Supply voltage
Ground
detailed description
current-sense input
Battery current is sensed via the voltage developed on this pin by an external sense resistor. The external
resistor can be placed on either the high or low side of the battery. (See schematics for details.)
battery-voltage input
Voltage sense-input tied directly to the positive side of the battery.
temperature sense input
Input for an external battery-temperature monitoring circuit. Connecting this input to VCC/2 disables this feature.
charge-status output
3-state indication of charge in progress, charge complete, and temperature fault or sleep mode.
charge-control output
Source-follower output that drives an external pass-transistor (PNP or P-channel MOSFET) for current and
voltage regulation.
charge-rate compensation input
Sets the charge-rate compensation level. The voltage-regulation output may be programmed to vary as a
function of the charge current delivered to the battery.
supply voltage input
Power supply input and current reference for high-side sensing configuration.
4
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相关代理商/技术参数
参数描述
BQ2057WSN 制造商:Texas Instruments 功能描述:CHARGE MANAGER LIION LDO SMD 2057
BQ2057WSNG4 功能描述:电池管理 Li-Ion LDO Linear Charge Management IC RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel
BQ2057WSNTR 功能描述:电池管理 Li-Ion LDO Linear Charge Management IC RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel
BQ2057WSNTRG4 功能描述:电池管理 Li-Ion LDO Linear Charge Management IC RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel
BQ2057WTS 功能描述:电池管理 Li-Ion LDO Linear Charge Management IC RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel