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L6924UTR Datasheet(PDF) 5 Page - STMicroelectronics |
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L6924UTR Datasheet(HTML) 5 Page - STMicroelectronics |
5 / 37 page L6924U Pin description Doc ID 14716 Rev 2 5/37 2 Pin description Figure 3. Pin connection (top view) 2.1 Pin description Table 2. Pin functions Pin I/O Name Pin description 1I VIN Input pin of the power stage. 2I VINSNS Supply voltage pin of the signal circuitry. The operating input voltage ranges from 2.5 V to 12 V, and the start-up threshold is 4 V. 3 - 4 O ST2-ST1 Open-collector status pins. 5I TPRG Maximum charging time program pin. It must be connected with a capacitor to GND to fix the maximum charging time, see Chapter 7.7: Maximum charging time on page 21. 6 - GND Ground pin. 7I SD Shutdown pin. When connected to GND enables the device; when floating disables the device. 8I TH Temperature monitor pin. It must be connected to a resistor divider including an NTC or PTC resistor. The charge process is disabled if the battery temperature (sensed through the NTC or PTC) is out of the programmable temperature window see Chapter 8.1: NTC thermistor on page 23. |
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