Texas Instruments TPS92201MDRVR
- Part No.:
- TPS92201MDRVR
- Manufacturer:
- Texas Instruments
- Category:
- LED Drivers
- Package:
- 6-WDFN Exposed Pad
- Datasheet:
-
TPS92201MDRVR.pdf
- Description:
- 5-V, 1 A OR 1.5 A HIGH-EFFICIENC
- Quantity:
- Payment:

- Shipping:

Inventory:2,880
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Product details
Overview
TPS92201MDRVR from Texas Instruments is a 1.5A synchronous buck LED driver IC optimized for battery-powered IR/white LED applications, featuring 2.5V–5.5V input range, 1.5MHz fixed-frequency PWM operation, 100mV feedback reference voltage, 220mΩ/170mΩ integrated HS/LS MOSFETs, and extended temperature support (–55°C to +125°C).
For engineers reviewing the TPS92201MDRVR datasheet, TPS92201MDRVR pinout, TPS92201MDRVR application, or TPS92201MDRVR equivalent, this page delivers verified technical context, exact package mapping (WSON-6), validated pin functions, confirmed thermal specs (RθJA = 82.6°C/W), and real-world dimming performance (1%–100% analog/PWM) - all specific to the TPS92201MDRVR variant.
Technical Context
The TPS92201MDRVR implements adaptive off-time peak current control with fixed 1.5MHz switching frequency across full load range, enabling stable regulation without external compensation. Its integrated 220mΩ high-side and 170mΩ low-side MOSFETs support up to 1.5A continuous output current while maintaining ≤100mV FB regulation error over temperature.
This variant operates in forced PWM mode only (no PFM), delivering low-output-ripple performance critical for imaging LEDs. It supports 20kHz–200kHz PWM dimming inputs and achieves up to 95% efficiency at 1.5A with 2.2µH inductor and 10µF ceramic output capacitor.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 2.5V to 5.5V - supports single-cell Li-ion, Li-polymer, and 3.3V/5V rail systems without pre-regulation. |
| Output Current | 1.5A constant - drives high-brightness IR LEDs (e.g., 2× 850nm emitters) with minimal thermal derating. |
| Switching Frequency | 1.5MHz - enables compact 2.2µH inductors and avoids audible noise in camera flash applications. |
| FB Reference Voltage | 100mV ±5% - sets LED current via external RSENSE; enables precise 1.5A with 66.7mΩ resistor. |
| Shutdown Current | 0.1µA typical - extends battery life in always-on smart doorbell and IP camera standby modes. |
| Thermal Resistance | RθJA = 82.6°C/W (WSON-6) - allows 1.5A operation at +85°C ambient with standard 2-layer PCB copper pour. |
| PWM Dimming Range | 1% to 100% duty cycle - supports smooth brightness control without visible flicker in video doorbells. |
Pinout & Package
TPS92201MDRVR uses the 6-pin WSON package (2mm × 2mm, 0.5mm pitch), thermally enhanced with exposed thermal pad (connected to GND). Pinout is identical to TPS92201DRV per TI documentation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PWM | Digital dimming input | Accepts 20–200kHz logic-level PWM signal; directly controls LED current from 1% to 100% with <5µs minimum on-time. |
| EN | Enable control | Active-high logic input; <0.4V disables device into 0.1µA shutdown state; must be terminated to avoid floating. |
| VIN | Main power input | Supplies internal circuitry and high-side switch; accepts 2.5–5.5V with 2.2V UVLO threshold and 0.1V hysteresis. |
| SW | Power switch node | Connects to inductor and internal HS/LS FETs; requires low-inductance routing to minimize EMI and voltage spikes. |
| GND | Power ground | Common return for VIN, SW, FB, EN, PWM; must be tied to thermal pad for optimal thermal performance. |
| FB | Current-sense feedback | Monitors voltage across external RSENSE; regulates LED current to IOUT = 100mV / RSENSE. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated Power Stage | 220mΩ HS + 170mΩ LS MOSFETs eliminate external diode and reduce BOM count by 3 components vs discrete buck designs. |
| Forced PWM Mode | Fixed 1.5MHz operation ensures consistent EMI profile and eliminates low-frequency ripple in imaging LEDs. |
| Ultra-Low Shutdown Current | 0.1µA max enables >1-year battery life in motion-triggered smart doorlocks using CR123A cells. |
| Full Fault Protection | Auto-recovering thermal shutdown, LED open/short detection, and FB resistor open/short protection prevent field failures. |
| 100% Duty Cycle Capability | Enables low-dropout operation down to VOUT = VFB + IOUT × RDS(ON), supporting 1.8V IR LEDs from 2.5V input. |
Applications
| Smart Home Camera | Video Doorbell |
|---|---|
|
Use Scenario: Night-vision illumination using dual 850nm IR LEDs during motion-triggered recording. IC Role / Device Role / Timing Role: Constant-current buck regulator providing stable 1.5A drive with synchronized 100kHz PWM dimming to eliminate rolling shutter artifacts. Use Value: 95% efficiency at 5V input minimizes self-heating in sealed enclosures; 0.1µA shutdown preserves battery between events. |
Use Scenario: Front-door illumination activated by button press or PIR sensor, requiring instant-on white LED burst. IC Role / Device Role / Timing Role: High-efficiency LED driver with internal soft-start preventing inrush-induced brownout on shared 3.3V system rail. Use Value: 100% duty cycle mode enables full brightness from 2.5V coin-cell backup; WSON-6 footprint saves space in slim form factor. |
| IP Camera | Flashlight |
|
Use Scenario: Long-range IR illumination (up to 30m) using high-power 1.5A LED string in outdoor surveillance units. IC Role / Device Role / Timing Role: Synchronous buck controller managing thermal load via junction-temp-aware current limiting and thermal shutdown at 150°C. Use Value: Extended –55°C to +125°C operating range ensures reliability in unheated pole-mounted enclosures under desert or arctic conditions. |
Use Scenario: Portable handheld flashlight with adjustable brightness and battery-life optimization. IC Role / Device Role / Timing Role: Analog/PWM dual-dimming LED driver enabling smooth 1%–100% intensity control via microcontroller GPIO. Use Value: 100mV FB reference enables accurate current setting with low-value sense resistors (<100mΩ), reducing power loss and heat generation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LED driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS92201ADRVR | Includes Power Save Mode (PFM at light load); higher quiescent current (520–720µA vs 450–600µA); same WSON-6 package. | Better efficiency below 200mA; unsuitable where strict EMI control or fixed-frequency timing is required. | Select TPS92201ADRVR only if light-load efficiency dominates design priorities and PWM ripple is acceptable. |
| TPS92201MDRLR | Same extended temperature range (–55°C to +125°C) but in SOT563-6 package (1.6mm × 1.6mm); RθJA = 152°C/W vs 82.6°C/W. | Higher thermal resistance limits continuous 1.5A operation without aggressive PCB copper; smaller footprint suits ultra-compact layouts. | Choose TPS92201MDRLR when board area is constrained and peak current is intermittent rather than continuous. |
Compared with TPS92201ADRVR, the TPS92201MDRVR provides deterministic 1.5MHz EMI behavior and lower IQ, making it preferable for imaging systems; versus TPS92201MDRLR, its WSON-6 package delivers 46% lower thermal resistance, enabling sustained 1.5A output in space-constrained industrial cameras.
Availability
TPS92201MDRVR is available at Aetrix Electronics and suitable for smart home camera, video doorbell, and IP camera applications requiring stable component supply, extended temperature operation, and high-reliability LED drive performance.
Supply support for TPS92201MDRVR includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor company specializing in analog and embedded processing technologies, with leadership in power management ICs for industrial, automotive, and consumer markets.
The TPS92201 product line delivers highly integrated, thermally robust LED drivers for battery-powered vision systems - designed specifically for reliability in extended-temperature, high-current, low-noise imaging applications.
FAQ
What is the operating temperature range of the TPS92201MDRVR?
The TPS92201MDRVR is rated for –55°C to +125°C operating ambient temperature, confirmed in TI's Device Comparison Table and Section 6.3 Recommended Operating Conditions. This extended range exceeds standard industrial grade (–40°C to +85°C) and supports deployment in uncontrolled outdoor environments such as pole-mounted IP cameras or automotive cabin modules.
Does the TPS92201MDRVR support power-save mode (PFM)?
No, the TPS92201MDRVR operates exclusively in forced PWM mode across the full load range. Power-save mode (PFM at light load) is exclusive to the TPS92201A variants (e.g., TPS92201ADRVR). The TPS92201MDRVR maintains fixed 1.5MHz switching for consistent EMI and minimal output ripple - a key requirement for imaging LED applications.
What is the maximum continuous output current capability of the TPS92201MDRVR?
The TPS92201MDRVR delivers up to 1.5A continuous LED current, verified in the Absolute Maximum Ratings (IOUT = 1.5A) and Electrical Characteristics tables. This rating assumes proper PCB thermal design: ≥200mm² 2-oz copper pour under the WSON-6 thermal pad and ambient temperature ≤+85°C.
How is LED current set on the TPS92201MDRVR?
LED current is set by an external resistor (RSENSE) between the FB pin and GND, using the formula IOUT = 100mV / RSENSE. For 1.5A output, RSENSE = 66.7mΩ (e.g., 0603 66.5mΩ ±1%). The 100mV reference is accurate to ±5% over temperature, ensuring stable current regulation in the TPS92201MDRVR.
What protection features does the TPS92201MDRVR include?
The TPS92201MDRVR integrates LED open/short detection, FB resistor open/short protection, overcurrent limiting (1.9–2.16A HS current limit), thermal shutdown (150°C trip), and input UVLO (2.2V falling threshold). All protections are auto-recovering except thermal shutdown, which resets after junction temperature falls below hysteresis threshold - fully documented in Section 7.3.8 Fault Behaviors.
TPS92201MDRVR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 6-WDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- DC DC Regulator
- Topology:
- Step-Down (Buck)
- Internal Switch(s):
- Yes
- Number of Outputs:
- 1
- Voltage - Supply (Min):
- 2.5V
- Voltage - Supply (Max):
- 5.5V
- Voltage - Output:
- 0.6V ~ 5.5V
- Current - Output / Channel:
- 1.5A
- Frequency:
- 1.5MHz
- Dimming:
- PWM
- Applications:
- Camera Flash
- Operating Temperature:
- -55°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-WSON (2x2)
TPS92201MDRVR FAQ
1.How can I place an order for TPS92201MDRVR through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS92201MDRVR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TPS92201MDRVR reliable?
The price and inventory of TPS92201MDRVR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS92201MDRVR is usually 5 days.
3.What payment methods are accepted for TPS92201MDRVR?
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Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS92201MDRVR?
TPS92201MDRVR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS92201MDRVR order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TPS92201MDRVR?
For technical support, including TPS92201MDRVR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS92201MDRVR requirements.
6.How does Aetrix verify that TPS92201MDRVR is sourced from the original manufacturer or authorized distributors?
All TPS92201MDRVR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TPS92201MDRVR meets industry standards.
7.What is the process for return or replacement of TPS92201MDRVR?
All TPS92201MDRVR units undergo pre-shipment inspection (PSI). If there is an issue with TPS92201MDRVR, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TPS92201MDRVR part is unused and in its original packaging.
Return procedure for TPS92201MDRVR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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