GUI for evaluation module (EVM)
Data sheet
TPS8802
- Photo Chamber AFE
- Dual 8-bit programmable current LED drivers
- Temperature compensation of LED current
- Ultra-low offset op-amp for photodiodes
- Programmable and bypassable gain stage
- 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
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.
The wide input voltage range combined with low standby power consumption and power-saving features support 10-year battery life operation from a single lithium primary battery. The TPS8802 also supports battery backup smoke alarms, seamlessly remaining powered when the mains supply drops or if the battery is disconnected.
Technical documentation
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View all 5 | Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | TPS8802 Smoke Alarm AFE datasheet (Rev. C) | PDF | HTML | 09 Aug 2021 |
| Application note | Dual-Ray Smoke Detector with the TPS8802 and MSPM0 MCUs | PDF | HTML | 22 Aug 2023 | |
| EVM User's guide | Using the TPS8802EVM (Rev. B) | 19 Jul 2022 | ||
| Application note | Achieving 10-Year Battery Life with Smoke Alarm TPS8802 | PDF | HTML | 04 Oct 2021 | |
| Application note | Optimizing SNR in Smoke Alarm Photodiode Front Ends with TPS8802 and TPS8804 | PDF | HTML | 04 Oct 2021 |
Design & development
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Evaluation board
TPS8802EVM — Evaluation module for TPS8802 residential photoelectric smoke/CO alarm
The TPS8802EVM is used to evaluate the TPS8802 smoke and CO detection analog front end and power management IC. The EVM allows for easy connection from the TPS8802 to a user-supplied photoelectric chamber and carbon monoxide sensor. The TPS8802 GUI interfaces with the EVM to quickly evaluate the (...)
User guide: PDF
| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| HTSSOP (DCP) | 38 | Ultra Librarian |
Ordering & quality
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