TPS8802 Overview
Key Specifications
Description
The TPS8802 integrates all of the regulators, amplifiers, and drivers required for a dual-wave photoelectric smoke alarm and carbon monoxide (CO) detection system. Its high flexibility is ideal for smoke alarm systems where precision and power consumption are critical.
Key Features
- Carbon Monoxide Sensor AFE – Ultra-low offset gain stage – Programmable gain and reference
- Horn Driver – Self-resonant driver for three-terminal piezos – PWM support for voice on two-terminal piezos
- Power Management – Programmable LDO for external microcontroller – Boost converter for horn, interconnect
- Interconnection bus for multi-alarm communication
- Ultra-low power consumption
- I2C serial interface
- Programmable battery test load
