KW-BPVCCS0100 Bipolar Constant Current Source Module 100mA Laser Driver

KW-BPVCCS0100 Bipolar Voltage-Controlled Constant Current Source Module

The KW-BPVCCS0100 is a precision bipolar voltage-controlled constant current source module designed for demanding applications such as laser diode driving, LED constant current control, coil excitation, sensor biasing, and signal supply. Compatible with both single and dual power supplies, this compact module features a digital current display with 0.1 mA resolution, making it easy to monitor and fine-tune output in real time.

With a fast current response of 3.5 µS and a broad bandwidth of 100 kHz, this module is well suited for dynamic and high-frequency applications. Built-in power supply reverse protection adds an extra layer of reliability in your projects. Made in Mainland China.

Key Features

• Bipolar Output: Delivers −100 mA to +100 mA (dual supply) or 0 to +100 mA (single supply)
• Voltage-Controlled: Input control range of −5V to +5V or 0 to +5V for precise current programming
• Digital Display: Real-time output current readout with 0.1 mA resolution
• Wide Supply Compatibility: Operates from ±6V–±30V (dual) or +6V–+30V (single)
• High Bandwidth: 100 kHz @ RL = 8 Ω for fast-response applications
• Fast Response: Current response speed of 3.5 µS
• High Input Impedance: 500 kΩ for easy integration with signal sources
• Low Load Regulation: 1% load adjustment rate for stable, consistent output
• Reverse Polarity Protection: Safeguards the module against accidental supply reversal
• Compact Form Factor: 56.5 × 96 × 35 mm — easy to integrate into lab setups or custom enclosures

Full Technical Specifications

Typical Applications

• Laser diode constant current driving
• LED constant current control
• Electromagnetic coil excitation and drive
• Sensor constant current biasing
• Excitation signal supply for test and measurement
• Laboratory electronics R&D and prototyping

Package Contents

• 1 × KW-BPVCCS0100 Constant Current Source Module

Note: Due to lighting and screen variation, the actual product color may differ slightly from images. Please allow a tolerance of 1 mm–1 cm due to manual measurement.

For reference on safe electronics design and component standards, visit the National Institute of Standards and Technology (NIST) Electronics Resources.

Frequently Asked Questions

Q: Can the KW-BPVCCS0100 module operate from a single power supply?

A: Yes. The KW-BPVCCS0100 is compatible with both single and dual power supplies. With a single supply (+6V to +30V), the output current range is 0 to +100 mA. With a dual supply (±6V to ±30V), it supports a full bipolar output of −100 mA to +100 mA.

Q: What types of loads can I drive with this constant current source module?

A: This module is designed to drive a wide variety of loads including laser diodes, LEDs, electromagnetic coils, and sensors. The maximum supported load is 250 Ω at 100 mA, making it versatile for lab and industrial electronics applications.

Q: How is the output current controlled and monitored?

A: The output current is controlled via an analog input voltage in the range of −5V to +5V (bipolar) or 0 to +5V (unipolar). The onboard digital display shows real-time output current with a resolution of 0.1 mA, allowing precise and easy adjustment during operation.

Q: Is there protection against accidental power supply reverse connection?

A: Yes. The KW-BPVCCS0100 includes built-in power supply reverse polarity protection to guard the module's circuitry against accidental incorrect wiring of the power supply connections.