TPL9201PWPRG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
Texas Instruments TPL9201PWPRG4 is an 8-channel relay driver IC with integrated protection diodes, serial SPI interface, and 20-pin HTSSOP package, designed for driving up to 8 relay coils simultaneously in industrial automation, building control, and automotive body electronics systems.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- OBSOLETE
- Datasheet
- TPL9201PWPRG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TPL9201PWPRG4?
- 8 independent relay driver channels in a single 20-pin HTSSOP reduce component count versus discrete transistor arrays in multi-relay control systems
- Integrated flyback protection diodes on all 8 output channels eliminate external clamping diodes and protect against inductive coil switching transients
- SPI serial interface enables daisy-chaining multiple TPL9201 devices to control 16 or more relay channels from 3 microcontroller I/O pins
What is TPL9201PWPRG4 used for?
The TPL9201PWPRG4 is designed for programmable logic controller output modules, building automation relay panels, and industrial sequencer boards requiring 8-channel relay drive from a compact SMT IC. Its SPI interface allows relay state control with minimal microcontroller GPIO usage, making it suitable for resource-constrained embedded systems managing 8 or more loads simultaneously. The device is also used in automotive body control modules and smart home gateway boards where multiple relay-switched circuits must be controlled reliably from a single serial bus.
What are the specifications of TPL9201PWPRG4?
| YTEOL | 0 |
| Analog IC - Other Type | ANALOG CIRCUIT |
| JESD-30 Code | R-PDSO-G20 |
| JESD-609 Code | e4 |
| Number of Channels | 8 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP20,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 5mA |
| Supply Voltage-Max (Vsup) | 18V |
| Supply Voltage-Min (Vsup) | 7V |
| Surface Mount | YES |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 2 |
| HTS Code | 8542.39.00.01 |
Where can I find the TPL9201PWPRG4 datasheet?
TPL9201PWPRG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for TPL9201PWPRG4?
Compatible alternatives and drop-in replacements for TPL9201PWPRG4:
Frequently Asked Questions
How many relay channels does the TPL9201PWPRG4 drive and how are they controlled?
The TPL9201PWPRG4 drives 8 independent relay channels controlled via a 3-wire SPI serial interface, allowing a microcontroller to set all 8 relay output states with a single 8-bit SPI transaction, reducing GPIO pin consumption to 3 lines regardless of the number of relay channels.
Does the TPL9201PWPRG4 require external flyback diodes for relay coil switching protection?
No; the TPL9201PWPRG4 integrates flyback protection diodes on all 8 driver output channels, clamping inductive voltage spikes generated when relay coils are de-energized, which eliminates the need for 8 external discrete Schottky or standard rectifier diodes and simplifies PCB layout.
How can multiple TPL9201PWPRG4 devices be connected to expand beyond 8 relay channels in a system?
Multiple TPL9201PWPRG4 devices can be daisy-chained on the same SPI bus by connecting the serial data output of the first device to the data input of the next; this allows 16, 24, or more relay channels to be controlled from 3 microcontroller SPI pins by shifting a longer serial data stream through the chain.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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