参数资料
型号: PS700T-I/ST
厂商: Microchip Technology
文件页数: 1/38页
文件大小: 0K
描述: IC BATT MONITOR 1-2CELL 8TSSOP
标准包装: 1
功能: 电池监控器
电池化学: 锂离子(Li-Ion)
电源电压: 2.7 V ~ 9 V
工作温度: -20°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 8-TSSOP
包装: 剪切带 (CT)
其它名称: PS700T-I/STCT
PS700
Battery Monitor
Features
? Measures, maintains and reports all critical
Pin Description
rechargeable battery parameters with high
accuracy
? Supports Lithium (1-cell and 2-cell) battery packs
? Current measurement with 16-bit integrating A/D
VC2/IO1
VC1
SCL
SDA
1
2
3
4
PS700
8
7
6
5
SR
GND
NTC/IO0
R OSC
accurate to less than ±0.5% error
? Temperature measurement accurate to within
±2 ° C absolute, using on-chip temperature sensor
or external thermistor
? Accumulation of charge current, discharge
current, temperature and voltage in independent
Pin Summary
8-pin 150 mil
TSSOP Package
32-bit registers
? 512-byte nonvolatile EEPROM stores factory
programmed, measured and user-defined
parameters
? In-system offset calibration compensates for
offset error in current measurement
? Industry standard SMBus/I 2 C? compatible 2-wire
communications interface
? 8-pin TSSOP package
? -20 ° C to +85 ° C operating temperature range
? NTC pin can be configured as a thermistor input
or GPIO
? VC2 pin can be configured as a cell input or a
GPIO
? Flexible power operating modes allow low-power
monitoring of battery conditions during system full
operating and standby conditions:
- Run: Continuous Conversion; 80 μ A typ.
- Sample: Sample interval from
0.5-64s @ 45 μ A typ.
- Sample-Sleep: Sample interval from
0.5-138s min. @ 20 μ A typ.
? Shelf-Sleep mode reduces power consumption
during pack storage conditions to 300 nA typ.,
with automatic wake-up upon pack insertion
? 2004 Microchip Technology Inc.
Pin Name
VC2/IO1
VC1
SCL
SDA
R OSC
NTC/IO0
GND
SR
Description
Cell voltage input for cell 2 in a
2-series Li Ion pack or general
purpose I/O #1
Cell voltage input for cell 1
SMBus clock line
SMBus data l/O
Oscillator bias resistor
External thermistor connection or
general purpose I/O #0
Power supply ground
Sense resistor input
DS21760F-page 1
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