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TPS8804

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Analog Front End for commercial smoke detector

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Data sheet

TPS8804

ACTIVE
Data sheet Order now

Product details

Number of input channels 2 Features 2 LED drivers, 1 PD amp, CO amp, SLC interface, LDO Operating temperature range (°C) -40 to 85 Vs (min) (V) 2.6 Vs (max) (V) 15.6 Interface type I2C Rating Catalog
Number of input channels 2 Features 2 LED drivers, 1 PD amp, CO amp, SLC interface, LDO Operating temperature range (°C) -40 to 85 Vs (min) (V) 2.6 Vs (max) (V) 15.6 Interface type I2C Rating Catalog
HTSSOP (DCP) 38 62.08 mm² 9.7 x 6.4
  • 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
  • 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

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.

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.
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Technical documentation

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Type Title Date
* Data sheet TPS8804 Smoke Detector AFE datasheet (Rev. C) PDF | HTML 10 Aug 2021
Application note Optimizing SNR in Smoke Alarm Photodiode Front Ends with TPS8802 and TPS8804 PDF | HTML 04 Oct 2021

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

TPS8804EVM — Evaluation module for TPS8804 commercial photoelectric smoke/CO detector

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 (...)
User guide: PDF
Not available on TI.com
GUI for evaluation module (EVM)

SLVC793 — Software: TPS8802EVM and TPS8804EVM GUI

Supported products & hardware

Supported products & hardware

Products
Signal conditioners
  • TPS8802 — Analog Front End for residential smoke alarm
  • TPS8804 — Analog Front End for commercial smoke detector
Hardware development
Evaluation board
  • TPS8802EVM — Evaluation module for TPS8802 residential photoelectric smoke/CO alarm
  • TPS8804EVM — Evaluation module for TPS8804 commercial photoelectric smoke/CO detector
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HTSSOP (DCP) 38 Ultra Librarian
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Ordering & quality

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