company blog about Original ADI ADN8833ACBZ 1A Thermoelectric Cooler Driver, Supply ADI Thermoelectric Cooler Controller

Original ADI ADN8833ACBZ 1A Thermoelectric Cooler Driver, Supply ADI Thermoelectric Cooler Controller

[Shenzhen Mingjiada Electronics Co., Ltd.] Long Term Supply (ADI) ADN8833ACBZ——Ultracompact, 1 A Thermoelectric Cooler (TEC) Driver for Digital Control Systems.

ADN8833ACBZ is a monolithic H-bridge TEC driver with integrat-ed 1 A power MOSFETs. ADN8833ACBZ has a linear power stage with the linear driver (LDR) output and a pulse-width modulation (PWM) power stage with the SW output.

Depending on the control voltage at the CONT input, the ADN8833ACBZ drives current through a TEC to settle the temperature of a laser diode or a passive component attached to the TEC module to the programmed target temperature.

ADN8833ACBZ——The control voltage applied to the CONT input is generated by a digital-to-analog converter (DAC) closing the digital proportional, integral, derivative (PID) loop of temperature control system.

ADN8833ACBZ——The internal 2.5 V reference voltage provides a 1% accurate output that is used to bias a voltage divider network to program the maximum TEC current and voltage limits for both the heating and cooling modes.

ADN8833ACBZ can also be a reference voltage for the DAC and the temperature sensing circuit, including a thermistor bridge and an analog-to-digital converter (ADC).

1. ADN8833ACBZ Key Specifications and Parameters
Model: ADN8833ACBZ
Supply Voltage: 2.7V - 5.5V (logic), 3.0V - 5.5V(Drive)
Output Current: ±1A (Peak)
Control Accuracy: ±0.1°C (Typical, with external NTC)
Package Type: 9-ball WLCSP (3mm×3mm)
Temperature Range: -40°C to +125°C (Operating)
Control Interface: SPI/I²C Programmable
Switching frequency: 1 MHz (adjustable)
Integrated functions: PID controller, MOSFET driver, current detection amplifier

2. ADN8833ACBZ core product characteristics:
Ultra-compact design
- ADN8833ACBZ's WLCSP packaging area is only 9 mm², breaking the space limitation and being suitable for wearable devices and miniature optical modules.
Full digital temperature control interface
The fully digital temperature control interface allows for dynamic configuration of PID parameters, temperature thresholds and protection functions through SPI/I²C, simplifying the system calibration process.
High-efficiency H-bridge driver
Integrated low R_DS(ON) MOSFET driver (typical value 80mΩ), supporting bidirectional control for cooling/heating, with efficiency exceeding 90%.
Adaptive PID algorithm
Built-in hardware PID controller with a response time of <100μs, suppressing temperature overshoot and offering stability superior to analogue solutions.
Multiple protection mechanisms
Includes overcurrent protection (OCP), over-temperature shutdown (TSD), and under-voltage lockout (UVLO) to ensure reliable operation of the ADN8833ACBZ.

3. ADN8833ACBZ Typical Application Areas
Optical Communication Systems
Provides ±0.1°C temperature stability for DFB lasers, ensuring wavelength accuracy (e.g., 100G/400G optical modules).
Medical Diagnostic Equipment
Controls temperature control modules for PCR instruments and blood analysers to meet biological sample processing requirements.
Industrial Sensing Systems
Stabilises the temperature of infrared detectors and gas sensors to improve signal-to-noise ratio.
Consumer Electronics
Precise temperature control units for miniature thermal imagers and smart wearable devices.

Summary
The ADN8833ACBZ is an ultra-compact, high-efficiency thermoelectric cooler (TEC) driver optimised for digital control systems. The ADN8833ACBZ integrates a high-precision temperature control loop with a 1A output capability H-bridge driver circuit, packaged in a 3mm×3mm WLCSP, making it an ideal choice for space-constrained applications. The ADN8833ACBZ enables dynamic temperature setpoint adjustment via a digital interface (SPI/I²C), making it suitable for high-precision temperature control applications such as optical communication modules, laser diode temperature control, and biomedical devices.

[Mingjiada Electronics] has been supplying ADI (ADN8833ACBZ) ultra-compact, 1A thermoelectric cooler (TEC) drivers for digital control systems. For more information about the ADN8833ACBZ product or to inquire about pricing, please visit the Mingjiada Electronics official website (https://www.integrated-ic.com/) to check supply details.