FEATURES
: ÿ Battery level detection, driving LCD screen to display battery energy status ÿ Automatic identification of battery polarity ÿ Built-in reference source, stable output when no-load, no need for external components to adjust no-load voltage ÿ Short circuit protection function ÿ Over temperature protection function ÿ Highly integrated, few peripheral devices Pinout and description: HT3786D Serial number 1 2 3 4 5 6 7 8 9 10 name describe S5 LCD Battery Frame S5 S4 LCD fourth stage S4 S3 LCD third stage S3 S2 LCD second segment S2 S1 LCD first segment S1 WITH LCD common terminal (COM) GND Negative pole of power supply (ground) BTP VDD BTN Battery positive terminal (B+) Power supply positive terminal Battery negative terminal (B-) Table 1 DESCRIPTION
of each pin of HT3786D Ver1.0 1 Machine Translated by Google Application Circuit Diagram HT3786D S1 S2 S3 S4 S5 S5 S4 S3 S2 S1 WITH VDD C1 220UF/16V L1 LED R1 470 U1 1 10 S5 BTN 2 9 S4 VDD 3 8 S3 BTP 4 7 S2 GND 5 6 S1 WITH HT3786D C...