| PIN | NAME | DESCRIPTION |
| 1 | CBIAS | Bypass for Internal Voltage Regulator |
| 2 | VCH | Cell Stack Charge Control Output |
| 3 | Vss | Ground Reference and Chip Supply Return |
| 4 | LED1 | Charging Indicator Output |
| 5 | LED2 | Done Indicator Output |
| 6 | VsS | Ground Reference and Chip Supply Return |
| 7 | CTG | Connect to Ground |
| 8 | CTG | Connect to Ground |
| 9 | MODE | Mode Select. Connect to VSs for linear mode of operation or CBIAS for comparator mode of operation. |
| 1 0 | DIV | Thermistor Divider. Stable output to form a resistor divider for measuring temperature on THM. |
| 1 1 | SNS+ | Positive Current Sense. Connect to the pack side of the sense resistor. |
| 12 | SNS- | Negative Current Sense. Connect to the cell stack side of the sense resistor. |
| 1 3 | VDD | Chip Supply Input: +4.OV to +5.5V range. |
| 14 | RT | Failsafe Timeout. Timeout is selected by an external resistor from RT to VSs. |
| 1 5 | THM | Thermistor Input. Connect to a thermistor located in the cell pack and a divider resistor from the Div pin. |
| 16 | VBATT | Battery Voltage Sense Input. Connect to a divider from the positive terminal of the cell stack to measure the voltage of a single cell. |
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