TPL9201PWPG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
TPL9201PWPG4 is an 8-channel relay driver IC from Texas Instruments designed to drive up to 8 relay coils or inductive loads simultaneously. It integrates flyback diodes on each channel and fits a 20-pin HTSSOP package for high-density relay-control board designs.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- OBSOLETE
- Datasheet
- TPL9201PWPG4 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 TPL9201PWPG4?
- 8 independent relay-drive outputs in a single 20-pin HTSSOP package reduce board area versus 8 discrete transistor circuits
- Integrated flyback diodes on each channel eliminate external snubber diodes, lowering BOM count for inductive relay coil suppression
- Compatible with 3.3 V and 5 V logic inputs allowing direct interfacing to both modern low-voltage MCUs and legacy 5 V systems
What is TPL9201PWPG4 used for?
TPL9201PWPG4 is used in PLC output modules, building automation controllers, and industrial relay panels where multiple relay coils must be driven simultaneously from a microcontroller or FPGA. Its integrated protection per channel simplifies PCB design and reduces component count in relay-based switching applications. The device is also well suited for smart home gateway boards that switch 8 or more low-power relay channels for lighting, HVAC, or appliance control.
What are the specifications of TPL9201PWPG4?
| 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 TPL9201PWPG4 datasheet?
TPL9201PWPG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for TPL9201PWPG4?
Compatible alternatives and drop-in replacements for TPL9201PWPG4:
Frequently Asked Questions
How many relay channels can TPL9201PWPG4 drive simultaneously, and what coil voltage does it support?
TPL9201PWPG4 drives 8 independent relay channels simultaneously, each capable of sinking sufficient current for standard 5 V or 12 V relay coils. The 8-channel integration means a single device replaces 8 discrete NPN transistors plus 8 flyback diodes, cutting component count significantly and shrinking relay driver circuit area on industrial controller boards and smart home gateway PCBs.
Why does TPL9201PWPG4 include integrated flyback diodes, and what benefit does this provide in relay switching circuits?
When a relay coil is de-energized, the collapsing magnetic field generates a voltage spike that can exceed 50 V to 100 V and damage driver transistors without protection. TPL9201PWPG4 integrates a flyback diode on each of its 8 output channels, clamping this inductive kickback internally and allowing designers to omit 8 external schottky or general-purpose diodes. This simplification reduces BOM cost, PCB area, and assembly errors in relay-heavy automation products.
Is TPL9201PWPG4 compatible with a 3.3 V microcontroller GPIO, and what input logic thresholds apply?
Yes. TPL9201PWPG4 accepts standard 3.3 V CMOS logic levels on all 8 input pins, with a typical input high threshold below 2 V. This allows direct connection to STM32, ESP32, or similar 3.3 V MCU GPIO pins without level-shifting circuitry. The 20-pin HTSSOP package with 0.65 mm pitch fits standard footprints available in common PCB CAD libraries, further accelerating hardware bring-up.
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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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