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TPS40200QDRQ1

IC REG CTRLR BUCK 8SOIC

Part Number: TPS40200QDRQ1

Manufacturer: Texas Instruments

Category: DC DC Switching Controllers

Package: 8-SOIC (0.154", 3.90mm Width)

Datasheet:: TPS40200QDRQ1.pdf

Description: IC REG CTRLR BUCK 8SOIC

Select Quantity Stock: 14,612

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PRODUCT INFORMATION

Product Details

PRODUCT TECHNICAL REFERENCE

TPS40200QDRQ1 Automotive 4.5V to 52V Non-Synchronous Voltage Mode Buck Controller with P-Channel FET Driver

A comprehensive technical overview of the TPS40200QDRQ1, an AEC-Q100 qualified automotive non-synchronous voltage-mode buck controller from Texas Instruments featuring a 4.5V to 52V wide input range, built-in 200-mA P-channel FET driver, programmable fixed-frequency operation from 35kHz to 500kHz, and 8-pin SOIC package rated for operation from –40°C to +125°C. Covers device function, core features, electrical specifications, pin configuration, typical applications, and replacement selection guidance.

Texas Instruments 8-SOIC (3.90mm Width) 4.5V to 52V

Device Classification Automotive Non-Synchronous Buck DC/DC Controller

Part Number: TPS40200QDRQ1

Mounting Type: Surface Mount

Operating Temperature Range: -40°C to +125°C

PRODUCT OVERVIEW

What Is the TPS40200QDRQ1?

TPS40200QDRQ1 is a flexible non-synchronous voltage-mode buck DC/DC controller from Texas Instruments with a built-in 200-mA driver for P-channel FETs. The circuit operates with inputs up to 52V, featuring a power-saving feature that turns off driver current once the external FET has been fully turned on. This feature extends the flexibility of the device, allowing it to operate with an input voltage up to 52V without dissipating excessive power.[reference:0]

The TPS40200QDRQ1 operates with voltage-mode feedback and has feed-forward input-voltage compensation that responds instantly to input-voltage change. The integral 700-mV reference is trimmed to 1%, providing the means to accurately control low voltages. Clock frequency, soft start, and overcurrent limit are each easily programmed by a single external component. The device has undervoltage lockout (UVLO) and can be easily synchronized to other controllers or a system clock to satisfy sequencing and/or noise-reduction requirements.[reference:1]

The TPS40200QDRQ1 is an automotive-grade device that is AEC-Q100 qualified with device temperature grade 1: –40°C to +125°C. It is available in an 8-pin SOIC package (D) with a 3.90mm body width, rated for operation from –40°C to +125°C. The device is RoHS compliant, REACH compliant, and in active production.[reference:2]

AEC-Q100 Qualified Automotive-grade qualification with device temperature grade 1: –40°C to +125°C, HBM ESD classification level 1B, and CDM ESD classification level C6.

Wide Input Voltage Range 4.5V to 52V input voltage range with output voltage adjustable from 700mV to 90% V_IN.

Built-in 200-mA P-Channel FET Driver Integrated driver with power-saving feature that turns off driver current once the external FET is fully on.

DEVICE HIGHLIGHTS

Key Features and Benefits of TPS40200QDRQ1

AEC-Q100 Qualified for Automotive

Device temperature grade 1: –40°C to +125°C, HBM ESD classification level 1B, and CDM ESD classification level C6, making it suitable for automotive applications.[reference:3]

Wide Input Voltage Range

Operates from 4.5V to 52V input, supporting a broad spectrum of automotive and industrial high-voltage applications.

Integrated 200-mA P-Channel FET Driver

Built-in 200-mA driver for P-channel FETs with power-saving feature that turns off driver current once the external FET has been fully turned on.

Programmable Fixed-Frequency Operation

Switching frequency programmable from 35kHz to 500kHz with external synchronization capability for sequencing and noise-reduction requirements.[reference:4]

Comprehensive Protection Features

Undervoltage lockout (UVLO), programmable short-circuit protection, hiccup overcurrent fault recovery, and programmable closed-loop soft start.

Compact 8-Pin SOIC Package

Available in an 8-pin SOIC package (D) with a 3.90mm body width, ideal for space-constrained automotive designs.

REFERENCE DATA

Technical Specifications for TPS40200QDRQ1

Part Number	TPS40200QDRQ1	Manufacturer	Texas Instruments
Device Type	Non-Synchronous Voltage-Mode Buck Controller	Output Type	Transistor Driver
Topology	Buck	Number of Outputs	1
Input Voltage Range (V_DD)	4.5V to 52V	Output Voltage Range	700mV to 90% V_IN
Output Current (Max)	300mA (External FET Dependent)	Internal FET Driver	200mA P-Channel
Switching Frequency	35kHz to 500kHz (Programmable)	Duty Cycle (Max)	95%
Reference Voltage	700mV, Trimmed to 1%	Voltage Feed-Forward	Yes
Undervoltage Lockout (UVLO)	Yes	External Synchronization	Yes
Soft Start	Programmable Closed-Loop	Short-Circuit Protection	Programmable
Overcurrent Recovery	Hiccup Mode	Quiescent Current	1.5mA
Package / Case	8-SOIC (0.154", 3.90mm Width)	Supplier Device Package	8-SOIC
Package Body Size	3.90mm Width	Pin Count	8
Mounting Type	Surface Mount	Operating Temperature	-40°C to +125°C
AEC-Q100 Qualification	Yes – Grade 1	HBM ESD Classification	Level 1B
CDM ESD Classification	Level C6	Lead Finish / Ball Material	NiPdAu
MSL Level / Peak Reflow	Level-1-260C-UNLIM	ECCN	EAR99
RoHS	Yes	REACH Status	Yes
Product Status	Active	Packaging	Tape & Reel (2,500 per Reel)
Grade	Automotive (AEC-Q100)	Synchronous Rectifier	No

Electrical values shown above are reference values. Test conditions, limits, and guaranteed performance should always be confirmed from the current official manufacturer datasheet before design or production use.

DESIGN REFERENCE

Circuit Considerations for TPS40200QDRQ1

Frequency, Soft Start & Current Limit Programming

The TPS40200QDRQ1 offers flexible programming via external components:

Switching Frequency: Programmable from 35kHz to 500kHz with a single external resistor
Soft Start: Programmable closed-loop soft start with a single external capacitor
Overcurrent Limit: Programmable short-circuit protection threshold
External Synchronization: Can be synchronized to other controllers or a system clock
Voltage Feed-Forward: Input-voltage compensation responds instantly to input-voltage change

PCB and System-Level Guidance

Buck controller performance depends on layout and component selection:

External FET: Requires an external P-channel MOSFET for power switching
Inductor and Capacitors: Select based on switching frequency, output current, and ripple requirements
Feedback Network: Use the 700mV reference to set output voltage with an external resistor divider
Automotive Layout: Ensure adequate thermal relief and trace widths for automotive temperature operation
Verify the recommended PCB footprint from the official datasheet prior to production

8-LEAD SOIC (3.90mm Width)

Pin Configuration Reference for TPS40200QDRQ1

TPS40200

SOIC TOP VIEW

Confirm package orientation and pin numbering against the official package drawing before PCB layout. The SOIC package has 8 pins with a 3.90mm body width.

1 V_DD Input Supply Voltage - 4.5V to 52V

2 SS Soft Start - Programmable Closed-Loop Soft Start

3 COMP Error Amplifier Output - Loop Compensation

4 FB Feedback Input - 700mV Reference

5 GND Ground

6 RC Frequency Set - External Resistor/Capacitor for Oscillator

7 ISNS Current Sense Input - Programmable Overcurrent Limit

8 GDRV Gate Drive Output - 200mA P-Channel FET Driver

APPLICATION AREAS

Typical Applications for TPS40200QDRQ1

Automotive Power Systems

AEC-Q100 qualified for automotive DC/DC conversion in body control modules, infotainment systems, and powertrain electronics.

Industrial Power Supplies

Wide input voltage range of 4.5V to 52V supports industrial power systems requiring high reliability and robust performance.

Telecom & Networking Equipment

Wide input range and external synchronization capability support telecom and networking power system requirements.

Automotive Electronic Control Units (ECUs)

Non-synchronous buck topology with programmable frequency and current limit for automotive ECU power supply applications.

Automotive Lighting Systems

Wide input voltage range and robust protection features suit automotive lighting control modules.

Data Acquisition Systems

Wide input range and programmable switching frequency enable precise power management in data acquisition applications.

REPLACEMENT GUIDANCE

Selecting an Alternative for TPS40200QDRQ1

A replacement for the TPS40200QDRQ1 should not be selected solely by product category. The electrical characteristics, package, and pin configuration must be evaluated against the specific circuit requirements. The following alternatives are documented in the official Texas Instruments product pages and datasheets.

Topology: Non-synchronous Buck

Input voltage: 4.5V–52V

Output voltage: 700mV–90% V_IN

Switching frequency: 35kHz–500kHz

Package: 8-SOIC

Temperature range: –40°C to 125°C

Internal FET driver: 200mA P-Channel

Grade: Automotive (AEC-Q100)

Family alternatives (same functionality, different grade or temperature range):

Part Number	Package	Temperature Range	Grade / Qualification	Packaging	Carrier Quantity
TPS40200QDRQ1	8-SOIC	–40°C to +125°C	AEC-Q100 Grade 1	Tape & Reel	2,500
TPS40200DR	8-SOIC	–40°C to +125°C	Catalog	Tape & Reel	2,500
TPS40200MDREP	8-SOIC	–55°C to +125°C	Enhanced Product (EP)	Tape & Reel	2,500
TPS40200HDR	8-SOIC	–55°C to +175°C	High Temp (HT)	Tape & Reel	2,500

All alternative part numbers listed above are documented in the official Texas Instruments product pages and datasheets. The TPS40200QDRQ1 is the automotive AEC-Q100 qualified version in an 8-SOIC package with tape-and-reel packaging (2,500 units per reel). For standard catalog-grade applications, consider TPS40200DR. For Enhanced Product (EP) grade with extended temperature range, consider TPS40200MDREP. For high-temperature applications up to 175°C, consider TPS40200HDR. Select based on temperature grade, qualification, and packaging requirements.[reference:5]

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MANUFACTURER INFORMATION

Texas Instruments

The TPS40200 (TPS40200QDRQ1) belongs to the TPS40200 family of flexible non-synchronous voltage-mode buck DC/DC controllers from Texas Instruments. The device features a built-in 200-mA driver for P-channel FETs, wide 4.5V to 52V input voltage range, programmable fixed-frequency operation from 35kHz to 500kHz, and comprehensive protection features including UVLO, programmable short-circuit protection, and hiccup overcurrent fault recovery. The TPS40200 family is available in catalog, automotive (AEC-Q100), Enhanced Product (EP), and high-temperature (–55°C to +175°C) grades, serving applications ranging from automotive power systems to industrial power supplies.[reference:6]

SUPPLIED BY

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Haishengye Electronics provides electronic component stock supply, BOM sourcing, quotation support, and quality inspection services for TPS40200QDRQ1 and related devices.

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Technical Information Disclaimer

This technical guide is provided for product identification and preliminary reference only. Electrical limits, package dimensions, pin configuration, product status, and application suitability must be verified using current official manufacturer documentation before design, procurement, or production.

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TPS40200QDRQ1 Technical Information

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Specifications

Product Attribute: Attribute Value

Part Number: TPS40200QDRQ1

Manufacturer: Texas Instruments

Package: 8-SOIC (0.154", 3.90mm Width)

Series: -

Package/Case: 8-SOIC (0.154", 3.90mm Width)

Packaging: Tape & Reel (TR)

Product Status: Active

Output Type: Transistor Driver

Function: Step-Down

Output Configuration: Positive

Topology: Buck

Number of Outputs: 1

Output Phases: 1

Voltage - Supply (Vcc/Vdd): 4.5V ~ 52V

Frequency - Switching: 35kHz ~ 500kHz

Duty Cycle (Max): 95%

Synchronous Rectifier: No

Clock Sync: No

Serial Interfaces: -

Control Features: Frequency Control, Soft Start

Operating Temperature: -40°C ~ 125°C (TJ)

Grade: Automotive

Qualification: AEC-Q100

Mounting Type: Surface Mount

Supplier Device Package: 8-SOIC

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TPS40200QDRQ1 Procurement and Technical Support

TPS40200QDRQ1 is manufactured by Texas Instruments. This page provides purchasing information including manufacturer, category, package, datasheet, stock reference, price reference and product specifications.

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Part Number: TPS40200QDRQ1

Manufacturer: Texas Instruments

Package: 8-SOIC (0.154", 3.90mm Width)

Category: DC DC Switching Controllers

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