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LTC2941IDCBTRMPBF Datasheet(PDF) 5 Page - Linear Technology |
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LTC2941IDCBTRMPBF Datasheet(HTML) 5 Page - Linear Technology |
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5 / 16 page  LTC2941 5 2941f PIN FUNCTIONS 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, Exposed Pad Pin 7): Device Ground. Connect directly to the negative battery terminal. Exposed pad may be left open or connected to device ground. 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 complete input by control register bits B[2:1]. At power-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 a value in the threshold registers 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. |
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