Analog Front End for commercial smoke detector
Product details
Parameters
Package | Pins | Size
Features
- 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
- Power Management
- Programmable LDO for external microcontroller
- SLC interface transmitter and receiver
- Ultra-low power consumption
- I2C serial interface
- Wide input voltage range
All trademarks are the property of their respective owners.
Description
The TPS8804 is a smoke detection ASIC specialized for commercial smoke detectors. The TPS8804 integrates all of the amplifiers and drivers required for a dual-wave photoelectric smoke detection and carbon monoxide detection system. Its high flexibility is ideal for smoke detection systems where precision and power consumption are critical.
Technical documentation
= Top documentation for this product selected by TI
| Type | Title | Date | |
|---|---|---|---|
| * | Datasheet | TPS8804 Smoke Detector AFE datasheet (Rev. A) | Mar. 19, 2020 |
| User guides | Using the TPS8804EVM (Rev. A) | May 20, 2020 | |
| Technical articles | SigCon Architect: The keys to your high-speed design | Oct. 27, 2015 | |
| Technical articles | Make signal conditioning easy with WEBENCH® Interface Designer | Jan. 27, 2015 | |
| Technical articles | Get Connected: Equalization | Oct. 15, 2014 | |
| Technical articles | One part for all: Multi-standard signal conditioners | Mar. 07, 2014 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.Hardware development
Description
The TPS8804EVM is used to evaluate the TPS8804 smoke and CO detection analog front end and power management IC. The EVM allows for easy connection from the TPS8804 to a user-supplied photoelectric chamber and carbon monoxide sensor. The TPS8804 GUI interfaces with the EVM to quickly evaluate the (...)
Features
- Two programmable, temperature compensated LED drivers for dual-wave photoelectric chambers
- Ultra-low offset photodiode transimpedance amplifier with programmable gain stage
- Ultra-low power op-amp for electrochemical carbon monoxide sensors
- Interconnect/SLC interface for multi-detector communication
- Wide (...)
SLVC793A.ZIP (23438 KB)
CAD/CAE symbols
| Package | Pins | Download |
|---|---|---|
| HTSSOP (DCP) | 38 | View options |
Ordering & quality
Recommended products may have parameters, evaluation modules or reference designs related to this TI product.
Support & training
TI E2E™ forums with technical support from TI engineers
Content is provided "as is" by TI and community contributors and does not constitute TI specifications. See terms of use.
If you have questions about quality, packaging or ordering TI products, see TI support.