BP2832A 15418C 81F-8 Non-isolated Buck type LED constant current driver chip BP2832 is a high precision buck type LED constant current driver chip. The chip works in the inductive current critical continuous mode, which is suitable for non-isolated step-down LED constant current power supply with full range of input voltage AC85~265V. BP2832 chip integrates 500V power switch, adopts patented drive and current detection mode, the chip operating current is very low, no auxiliary winding detection and power supply, only need few peripheral components, can achieve excellent constant current characteristics, greatly saving the system cost and volume.
BP2832 chip with high-precision current sampling circuit, while using the patented constant current control technology, to achieve high-precision LED constant current output and excellent line voltage adjustment rate.
The chip works in the inductive current critical mode, and the output current does not change with the inductance and the operating voltage of the LED, achieving excellent load adjustment rate. The BP2832 has multiple protection functions, including LED open\/short circuit protection, CS resistance short circuit protection, undervoltage protection, chip temperature overheating regulation, etc. The BP2832 is packaged in SOP-8
VIN: Input voltage. The recommended input voltage range is 2.5V-5.5V.
GND: Ground pin.
EN: Enables the pin. High level is valid. The chip works when EN is at high power level and shuts off when EN is at low power level.
FB: Feedback pin, used to control the output voltage, set the output voltage by external resistance voltage.
SW: The switch pin is used to control the on-off and off of the internal switch tube to achieve step-down conversion.
The bp2832 has a total of 20 pins with a voltage range between 3V and 5V.
bp2832 is a micro motor drive chip, commonly used in electric toys and other motor drive applications, it requires 20 pins to complete the circuit connection and control. In addition, the voltage range of the bp2832 needs to be between 3V and 5V to ensure a stable working effect.
bp2832 has many other functions, such as controlling current, reversing motor direction, overload protection, etc., which need to be further understood and used in practical applications.
1. BP2832 is a RF transceiver module, its power input voltage range is 2.0V~3.6V, and its RF working band is 433\/470\/868\/915MHz, which can realize the transmission and reception of wide-area data.
2. The functional pins of BP2832 include VCC, GND, ANT, RXD, TXD, RST, etc.
Where VCC is the power pin, GND is the ground pin, ANT is the antenna pin, RXD is the receiving data pin, TXD is the sending data pin, and RST is the reset pin.
3. BP2832 can be widely used in remote measurement and control, data transceiver, consumer electronics, smart home and other fields, is a powerful RF transceiver module.