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DS2760T Datasheet(PDF) 4 Page - Dallas Semiconductor |
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DS2760T Datasheet(HTML) 4 Page - Dallas Semiconductor |
4 / 25 page DS2760 4 of 25 DETAILED PIN DESCRIPTION – Table 1 SYMBOL DESCRIPTION CC Charge Protection Control Output. Controls an external p-channel high-side charge protection FET. DC Discharge Protection Control Output. Controls an external p-channel high-side discharge protection FET. DQ Data Input/Out. 1-Wire data line. Open-drain output driver. Connect this pin to the DATA terminal of the battery pack. Pin has an internal 1 µA pull-down for sensing disconnection. PIO Programmable I/O Pin. Used to control and monitor user-defined external circuitry. Open drain to VSS. PLS Battery Pack Positive Terminal Input. The device monitors the state of the battery pack’s positive terminal through this pin in order to detect events such as the attachment of a charger or the removal of a short circuit. PS Power Switch Sense Input. The device wakes up from Sleep Mode when it senses the closure of a switch to VSS on this pin. Pin has an internal 1 µA pull-up. VIN Voltage Sense Input. The voltage of the Li-Ion cell is monitored via this input pin. VDD Power Supply Input. Connect to the positive terminal of the Li-Ion cell through a decoupling network. VSS Device Ground. Connect directly to the negative terminal of the Li-Ion cell. For the external sense resistor configuration, connect the sense resistor between VSS and SNS. SNS Sense Resistor Connection. Connect to the negative terminal of the battery pack. In the internal sense resistor configuration, the sense resistor is connected between VSS and SNS. IS1 Current Sense Input. This pin is internally connected to VSS through a 4.7 k Ω resistor. Connect a 0.1 µF capacitor between IS1 and IS2 to complete a low-pass input filter. IS2 Current Sense Input. This pin is internally connected to SNS through a 4.7 k Ω resistor. |
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