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TPL9201 - 8-CHANNEL RELAY DRIVER

General Description

The power supply provides regulated 5-V output to power the system microcontroller and drive eight low-side switches.

The ac zero-detect circuitry is monitoring the crossover voltage of the mains ac supply.

Key Features

  • 1.
  • 2 Eight Low-Side Drivers With Internal Clamp for Inductive Loads and Current Limiting for Self Protection.
  • Seven Outputs Rated at 150 mA and Controlled Through Serial Interface.
  • One Output Rated at 150 mA and Controlled Through Serial Interface and Dedicated Enable Pin.
  • 5-V ± 5% Regulated Power Supply With 200-mA Load Capability at VIN Max of 18 V.
  • Internal Voltage Supervisory for Regulated Output.
  • Serial Communications for Control of Eight.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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www.ti.com TPL9201 8-CHANNEL RELAY DRIVER WITH INTEGRATED 5-V LDO AND ZERO-VOLT DETECTION SLIS123D – JUNE 2006 – REVISED FEBRUARY 2008 FEATURES 1 •2 Eight Low-Side Drivers With Internal Clamp for Inductive Loads and Current Limiting for Self Protection – Seven Outputs Rated at 150 mA and Controlled Through Serial Interface – One Output Rated at 150 mA and Controlled Through Serial Interface and Dedicated Enable Pin • 5-V ± 5% Regulated Power Supply With 200-mA Load Capability at VIN Max of 18 V • Internal Voltage Supervisory for Regulated Output • Serial Communications for Control of Eight Low-Side Drivers • Enable/Disable Input for OUT1 • 5-V or 3.