The LZC8650C is a high-performance, primary-side regulation (PSR) constant current controller designed for LED lighting applications. It is manufactured by (深圳市菱奇半导体有限公司). The company is often referenced in industry forums under its associated brand, "American Lingqi" (美国菱奇).
A: No. The LZC8650C is designed for constant current output to LEDs. It is not a battery charger IC (which requires constant current/constant voltage switching). The datasheet will not include a charging algorithm.
Pin used to adjust the thermal foldback trigger point using an external Negative Temperature Coefficient (NTC) resistor network.
Current sense pin; connects to a resistor to sense MOSFET current. Power ground. DRV lzc8650c ic datasheet pdf
. Connects to an NTC resistor network to smoothly reduce the output LED current as temperature rises. 8 OVP
The LZC8650C is packaged in an industry-standard layout optimized for automated surface-mount assembly and reliable thermal performance. It is engineered to support both isolated flyback and non-isolated buck-boost circuit structures. Pin Configuration and Descriptions
: Quasi-Resonant Mode (QRM) to minimize MOSFET switching losses. Supply Voltage ( VDDcap V sub cap D cap D end-sub ) : Typically recommended between 9.5V to 27V . Protection Features : Cycle-by-cycle current limiting. VDDcap V sub cap D cap D end-sub The datasheet will not include a charging algorithm
Connects to a sense resistor to monitor primary-side peak current.
Please provide these details, and I can help you calculate your exact component values. Share public link
A: In many cases, the pinout and functionality are similar. However, the feedback voltage (Vref) may differ (e.g., 0.1V vs. 0.2V), which changes Rsense values. Always consult the LZC8650C IC datasheet PDF for exact values. Please provide these details
Operates in QRM to reduce MOSFET switching losses and improve overall efficiency.
The IC includes a comprehensive suite of safety features to ensure reliability: Integrated for both VDDcap V sub cap D cap D end-sub and output voltage.
This IC is specifically engineered for offline AC/DC flyback power converters used in demanding LED lighting fixtures such as industrial and outdoor luminaires.
Integrated four-stage temperature foldback function to protect the IC by reducing current as temperature rises. Voltage Protection: cap V sub cap D cap D end-sub