The leadless package ensures minimized parasitic inductance and optimal thermal dissipation into the system printed circuit board (PCB). Macro Pin Functions
SMBus control for voltage, charge, and input current; available in a 16-pin QFN package. Battery Compatibility: Supports 1–4 cell Lithium-Ion (Li-Ion) chemistries. Jotrin Electronics 🎛️ DAC (Digital-to-Analog Converter) Settings 11-bit DAC, Charge Current: 6-bit DAC, Adapter Current: 6-bit DAC, Jotrin Electronics 🛡️ Protection & Functions
Details the connection of voice coil motors, selection of external current-setting resistors (RF), and implementation of thermal protection. 8681l ic datasheet
Current mode control for fast transient response and easy compensation.
For further validation, components and replacement parts can be cross-verified via specialist suppliers listed on Veswin Electronics or MacFactory India . VIL) for proper logic level interpretation.
L1 (4.7uH) SW [Pin 3] ------(UUUUU)-------+-------+-----> V_OUT (3.3V / 3A) | | [R1] [C_OUT] (47uF) | | FB [Pin 5] --------------------+ | | | [R2] | | | GND [Pin 4] --------------------+-------+-----> GND Component Selection Guidelines 1. Setting the Output Voltage ( VOUTcap V sub cap O cap U cap T end-sub The output voltage is programmed via a resistor divider ( R1cap R sub 1 R2cap R sub 2 VOUTcap V sub cap O cap U cap T end-sub to the FB pin. Use the following formula:
The '8681L' IC is a powerful testament to the complexity of modern electronics. It is not a simple chip but a highly integrated, intelligent battery charger that serves as the brain behind the power system in countless portable devices. Charge Current: 6-bit DAC
Defines the valid supply voltage (2.2V to 7.5V) and input voltage thresholds (VIH, VIL) for proper logic level interpretation.