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参数资料
| 型号： | LTC2942IDCB#TRPBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 电源管理 |
| 英文描述： | POWER SUPPLY SUPPORT CKT, PDSO6 |
| 封装： | 2 X 3 MM, LEAD FREE, PLASTIC, MO-229, DFN-6 |
| 文件页数： | 15/18页 |
| 文件大小： | 227K |
| 代理商： | LTC2942IDCB#TRPBF |
LTC2942
6
2942fa
pin FuncTions
block Diagram
SENSE+ (Pin 1): Positive Current Sense Input and Power
Supply. Connect to the load/charger side of the sense
resistor. VSENSE+ operating range is 2.7V to 5.5V.
GND (Pin 2): Device Ground. Connect directly to the nega-
tive battery terminal.
SCL (Pin 3): Serial Bus Clock Input.
SDA (Pin 4): Serial Bus Data Input and Output.
AL/CC (Pin 5): Alert Output or Charge Complete Input.
Configured either as an SMBus alert output or charge
completeinputbycontrolregisterbitsB[2:1].Atpower-up,
the pin defaults to alert mode conforming to the SMBus
alert response protocol. It behaves as an open-drain logic
output that pulls to GND when any threshold register value
is exceeded. When configured as a charge complete input,
connect to the charge complete output from the battery
charger circuit. A high level at CC sets the value of the
accumulated charge (registers C, D) to FFFFh.
SENSE– (Pin 6): Negative Current Sense Input. Connect
SENSE– to the positive battery terminal side of the sense
resistor. The voltage between SENSE– and SENSE+ must
remain within ±50mV in normal operation. SENSE– is also
the input for the ADC in voltage measurement mode.
Exposed Pad (Pin 7): Do Not Connect.
REF+
REF–
REF
CLK
COULOMB COUNTER
ADC
IN
CLK
MUX
SENSE–
REFERENCE
GENERATOR
TEMPERATURE
SENSOR
ACCUMULATED
CHARGE
REGISTER
DATA AND
CONTROL
REGISTERS
OSCILLATOR
6
SENSE+
1
AL/CC
AL
5
GND
2
I2C/
SMBus
SCL
CC
LTC2942
SDA
2942 BD
3
4
VSUPPLY
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC2943CDD#PBF | 制造商:Linear Technology 功能描述:IC GAS GAUGE MULTICELL 8DFN 制造商:Linear Technology 功能描述:BATTERY GAS GAUGE, 20V, DFN-8, Battery Management Function:Fuel Gauge, Battery Type:-, Supply Voltage Min:3.6V, Supply Voltage Max:20V, Battery IC Case Style:DFN, No. of Pins:8, IC Interface Type:I2C, SMBus, Package / Case:8-DFN , RoHS Compliant: Yes |
| LTC2943CDD#TRPBF | 制造商:Linear Technology 功能描述:BATTERY GAS GAUGE, 20V, DFN-8, Battery Management Function:Fuel Gauge, Supply Voltage Min:3.6V, Supply Voltage Max:20V, Battery IC Case Style:DFN, No. of Pins:8, IC Interface Type:I2C, SMBus, Operating Temperature Min:0C , RoHS Compliant: Yes |
| LTC2945CMS#PBF | 制造商:Linear Technology 功能描述: 制造商:Linear Technology 功能描述:IC POWER MONITOR I2C 12-MSOP 制造商:Linear Technology 功能描述:MS-System Monitor/Other, Wide Range I2C Power Monitor (SDAO) |
| LTC2945CMS#TRPBF | 制造商:Linear Technology 功能描述:IC POWER MONITOR I2C 12-MSOP 制造商:Linear Technology 功能描述:MS-System Monitor/Other, Wide Range I2C Power Monitor (SDAO) |
| LTC2945CMS-1#PBF | 制造商:Linear Technology 功能描述:I2C Power Monitor 12-Pin MSOP 制造商:Linear Technology 功能描述:IC POWER MONITOR I2C 12-MSOP |
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