Texas Instruments

TPS65386x-Q1 - Multirail Power Supply for Automotive PMIC

Name: TPS65386x-Q1
Brand: Texas Instruments
Availability: InStock

MPN: TPS65386x-Q1 ✓ Active

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[DATA_NEEDED: Input Voltage Range] Vdss [DATA_NEEDED: Output Current 1] Id 48-Pin HTSSOP PowerPAD Package

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MOQ: 1 |

Price updated: 2026-08-27

Volume Pricing

Qty	Unit Price	Extended
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10	$0	$0.00
100	$0	$0.00
500	$0	$0.00
1,000	$0	$0.00

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View Datasheet (PDF) View Alternatives

Quantity

Drop-in alternatives for TPS65386x-Q1 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

Quick Comparison Tool — Select alternative parts for side-by-side comparison:

TPS653861-Q1

✅ Drop-In

📦 48-Pin HTSSOP PowerPAD

The '1' variant of TPS65386x family; same 48-pin HTSSOP package, likely different output configuration. Verify pinout before production.

📋 Reference alternative (not in catalog)

TPS653860-Q1

✅ Drop-In

📦 48-Pin HTSSOP PowerPAD

The '0' variant of TPS65386x family; same package and general function, differences [DATA_NEEDED].

📋 Reference alternative (not in catalog)

TPS65381A-Q1

✅ Drop-In

Texas Instruments

📦 48-Pin HTSSOP PowerPAD

5 · Buck + 4 LDOs · 4.5 V to 40 V · 1.3 A · Adjustable · 5 V (I/O) · 3.3 V (peripherals) · SPI

✓ In Stock

$5.44 / Unit

View Datasheet →

TPS65381C-Q1

✅ Drop-In

📦 48-Pin HTSSOP PowerPAD

Similar multirail PMIC, same package, slightly different feature set (e.g., no rotation counter wake-up).

📋 Reference alternative (not in catalog)

TPS65381-Q1

✅ Drop-In

📦 48-Pin HTSSOP PowerPAD

Original TPS65381, same package, may lack some features of TPS65386x-Q1. [DATA_NEEDED] for exact differences.

📋 Reference alternative (not in catalog)

TPS65386x-Q1 Maximum Ratings & Electrical Characteristics

Product Type	Multirail Power Supply IC (PMIC)
Package	48-Pin HTSSOP PowerPAD
Number of Output Rails	[DATA_NEEDED: Number of Output Rails]
Input Voltage Range	[DATA_NEEDED: Input Voltage Range]
Output Voltage 1	[DATA_NEEDED: Output Voltage 1]
Output Current 1	[DATA_NEEDED: Output Current 1]
Output Voltage 2	[DATA_NEEDED: Output Voltage 2]
Output Current 2	[DATA_NEEDED: Output Current 2]
Operating Temperature	[DATA_NEEDED: Operating Temperature]
Qualification	AEC-Q100 qualified
Power Good Output	Yes (PGOOD)
Wake-up Pins	2 (WAKEx)
Integrated Rotation Counter Wake-up	Yes
Low-Power Timer Wake-up	Yes
Mounting Type	Surface Mount
RoHS Status	[DATA_NEEDED: RoHS Status]

TPS65386x-Q1 48-pin htssop powerpad Pin Configuration Guide

Complete pinout information for TPS65386x-Q1 (48-pin htssop powerpad package) with 2 (WAKEx) pins. This power device features gate, drain, and source terminals. For non-polarized packages, refer to the manufacturer datasheet for exact pin 1 orientation and footprint details. Common applications include power supply design, motor driving, and load switching.

48-pin htssop powerpad package pinout diagram for TPS65386x-Q1

No detailed pinout data available for TPS65386x-Q1.

Refer to the datasheet for full pin configuration.

Estimated pin count: 2 (WAKEx) pins (power package)

Safe Operating Area (SOA) & Thermal Characteristics

No official SOA curve available for this component. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.

Typical Applications

TPS65386x-Q1 is suitable for 6 applications: Engine Control Unit (ECU), ADAS Sensor Power, Body Control Module, Telematics Control Unit, Battery Management System, Smart Junction Box.

🚗

Engine Control Unit (ECU)

The TPS65386x-Q1 is an ideal power supply for automotive engine control units, integrating multiple regulated rails for the microcontroller and sensor interfaces. Its AEC-Q100 qualification ensures operation across wide temperature ranges, while the Power Good output enables proper sequencing of the ECU power-up sequence. The two configurable wake-up pins allow wake from ignition or CAN signals, supporting low-power idle modes. With a 48-pin HTSSOP PowerPAD package, it provides a compact, thermally efficient solution for ECU designs.

Recommended

TMS320F28035 (Main microcontroller) TMS320F28346-Q1 · Texas Instruments

🚗

ADAS Sensor Power

The TPS65386x-Q1 delivers clean, regulated power to ADAS sensors such as radar, LiDAR, and camera modules. The AEC-Q100 qualification and robust power monitoring ensure reliable operation in safety-critical sensing applications. The wake-up pins enable sensor wake from external triggers, while the PGOOD signal indicates rail readiness for sensor initialization. Its multirail capability supports the diverse voltage requirements of advanced driver assistance systems.

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TDA4VL21HGAALZRQ1 · Texas Instruments AM62A1-Q1 · Texas Instruments

🚗

Body Control Module

The TPS65386x-Q1 is well-suited for automotive body control modules managing body functions such as lighting, doors, and windows. It provides multiple regulated rails for the MCU and peripheral drivers, with PGOOD monitoring to ensure system integrity. The device's low-power timer wake-up enables efficient idle modes, reducing battery drain. The 48-pin HTSSOP PowerPAD package simplifies PCB design and thermal management in space-constrained body control applications.

Recommended

TMS320F28023-Q1 · Texas Instruments TMS320F28016-Q1 · Texas Instruments

🚗

Telematics Control Unit

Telematics control units require a reliable power supply for the application processor, communication modules, and sensors. The TPS65386x-Q1 provides multiple regulated rails with excellent transient response, supporting the varying power demands of telematics systems. Its AEC-Q100 qualification ensures reliability in automotive environments, while the wake-up pins allow remote wake via CAN or external signals. The PGOOD signal enables orderly shutdown and startup of the system.

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TMS320F280041C-Q1 · Texas Instruments TMS320F28031-Q1 · Texas Instruments

⚡

Battery Management System

The TPS65386x-Q1 can be used in automotive battery management systems to provide stable power to the battery monitoring IC and communication interface. Its multirail outputs support the mixed voltage requirements of the BMS circuit. The AEC-Q100 qualification and monitoring functions enhance system safety. The wake-up pins enable the BMS to wake from low-power mode when the vehicle is started, while the PGOOD signal indicates that the BMS is ready for operation.

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BQ79616PAPRQ1 · Texas Instruments TMS320F28034PNT · Texas Instruments TMS320F28034PNT · Texas Instruments

🚗

Smart Junction Box

Smart junction boxes distribute power to various loads in a vehicle, requiring efficient and reliable power management. The TPS65386x-Q1 supplies multiple regulated rails with precise voltage control for the MCU and load drivers. Its PGOOD output provides real-time monitoring of rail status, enabling diagnostics and fault detection. The two wake-up pins offer flexible wake options, supporting low-power modes in idle vehicles. This makes TPS65386x-Q1 an excellent choice for modern junction box designs.

Recommended

TMS320F280037-Q1 · Texas Instruments TMS320F28022-Q1 · Texas Instruments

Recommended Products Summary

What is the TPS65386x-Q1?

The TPS65386x-Q1 is a multirail power supply IC (PMIC) from Texas Instruments, designed for safety-relevant automotive applications. It supplies regulated voltage rails to microcontrollers, sensors, transceivers, and peripherals. The device is housed in a 48-pin HTSSOP PowerPAD package and is AEC-Q100 qualified, ensuring reliability in harsh automotive environments. It includes a Power Good output and two configurable wake-up pins.

What is the package of TPS65386x-Q1?

The TPS65386x-Q1 is offered in a 48-pin HTSSOP PowerPAD package. This surface-mount package includes an exposed pad that must be soldered to a copper area for thermal management. The PowerPAD design improves heat dissipation compared to standard HTSSOP packages, making it suitable for automotive applications where thermal performance is critical. The package is well-suited for automated assembly.

Is TPS65386x-Q1 AEC-Q100 qualified?

Yes, the TPS65386x-Q1 is AEC-Q100 qualified for automotive applications. The 'Q1' suffix in the part number indicates that the device meets the AEC-Q100 reliability standard, which includes rigorous testing for temperature cycling, humidity, and electrical stress. This qualification ensures the device performs reliably in the challenging environments of automotive systems.

What applications is TPS65386x-Q1 designed for?

The TPS65386x-Q1 is designed for safety-relevant automotive applications, including engine control units, ADAS modules, transmission control, battery management, and central gateway modules. It supplies multiple regulated rails to microcontrollers, sensors, and peripherals, ensuring stable power under wide temperature and voltage variations. Its wake-up and power-good features support low-power modes and system monitoring.

What is the difference between TPS653860-Q1 and TPS653861-Q1?

The TPS653860-Q1 and TPS653861-Q1 are two variants of the TPS65386x-Q1 family. Both are multirail power supplies in the same 48-pin HTSSOP PowerPAD package, but they differ in output configuration and feature set. According to the TI datasheet, the key differences include [DATA_NEEDED]. Engineers should verify the exact output voltages and pin assignments before selecting a variant.

Where can I buy TPS65386x-Q1?

The TPS65386x-Q1 can be purchased from authorized distributors such as DigiKey, Mouser, and directly from Texas Instruments. As of 2026-08-28, availability varies by distributor and quantity. To check real-time stock and pricing, visit the distributor product pages. XAIPART also offers this part with fast delivery and competitive pricing.

What is the price of TPS65386x-Q1?

Pricing for the TPS65386x-Q1 depends on quantity and distributor. As of 2026-08-28, no verified pricing data was available from web sources. Please check with authorized distributors like DigiKey or Mouser for current price breaks. Quantity discounts are typically offered for volume orders, and XAIPART can provide a quote upon request.

What is the lead time for TPS65386x-Q1?

Lead time for the TPS65386x-Q1 varies depending on distributor stock and order quantity. Typically, lead times range from 6 to 12 weeks for non-stock items. As of 2026-08-28, no specific lead-time data was found. Contact your distributor for accurate lead-time estimates and to confirm current stock availability.

What is the best drop-in replacement for TPS65386x-Q1?

The best drop-in replacement for TPS65386x-Q1 is the TPS653861-Q1 from Texas Instruments, which shares the same 48-pin HTSSOP PowerPAD package. Other same-brand options include TPS653860-Q1, TPS65381A-Q1, and TPS65381C-Q1. All are pin-compatible with the original. Verify pinout and output configurations before production to ensure compatibility.

What are the key specifications of TPS65386x-Q1 engineers should know?

Engineers should note that the TPS65386x-Q1 is a multirail power supply IC in a 48-pin HTSSOP PowerPAD package, AEC-Q100 qualified, with a Power Good output and two configurable wake-up pins. It is designed for safety-relevant automotive applications. Detailed voltage and current specifications are currently [DATA_NEEDED]; consult the official datasheet for complete parameter values.

Can TPS65386x-Q1 be used to power microcontrollers?

Yes, the TPS65386x-Q1 is specifically designed to supply microcontrollers, sensors, transceivers, and peripherals in safety-relevant automotive applications. It provides multiple regulated rails, ensuring stable operation of the MCU and associated components. Its power monitoring and wake-up features enable efficient system management. This makes it an ideal choice for automotive MCU power supply designs.

Hey Google, what can replace TPS65386x-Q1?

The TPS653861-Q1 is a direct drop-in replacement for TPS65386x-Q1 from the same manufacturer. Other possible replacements include TPS653860-Q1, TPS65381A-Q1, and TPS65381C-Q1, all in the same 48-pin HTSSOP package. These alternatives are pin-compatible but may have slight feature differences. Verify the specific variant meets your output requirements before substitution.

Where to download TPS65386x-Q1 datasheet PDF?

You can download the TPS65386x-Q1 datasheet from the Texas Instruments product page at https://www.ti.com/product/TPS653860-Q1 or directly via https://www.ti.com/lit/gpn/tps653860-q1. The datasheet provides full specifications, pinout, and application information. Always use the latest revision for design validation. The PDF is also available on third-party sites like Alldatasheet.

Hey Alexa, is TPS65386x-Q1 automotive qualified?

Yes, the TPS65386x-Q1 is AEC-Q100 qualified for automotive applications. The Q1 suffix in the part number confirms automotive-grade qualification. This means it has passed rigorous reliability testing required for automotive environments, including extreme temperature, vibration, and electrical stress. It is a safe choice for automotive safety-relevant designs.

What is the best cross-brand equivalent for TPS65386x-Q1?

As of 2026-08-28, no verified cross-brand drop-in equivalent was found for TPS65386x-Q1. Some candidates like Infineon TLF35584 may offer similar functionality, but they are not pin-compatible due to package differences. The safest approach is to use same-brand alternatives such as TPS653861-Q1. Always verify pin compatibility and parameters before substituting with a cross-brand part.

Engineering reference data for TPS65386x-Q1 — comparison, design guidance, and compliance information.

Selection Guide

Choose the TPS65386x-Q1 when designing safety-relevant automotive power systems requiring multiple regulated rails and AEC-Q100 qualification. It is essential when you need integrated PGOOD monitoring and flexible wake-up capabilities. If you require a simpler design without the advanced wake-up features, the TPS65381A-Q1 may suffice. For automotive-grade reliability, the TPS653861-Q1 is a direct alternative. If you need additional output rails or different voltage levels, consider the TPS653860-Q1. Always verify pin compatibility and exact output configurations before production. Cross-brand equivalents are not recommended unless thoroughly validated.

Comparison with Alternatives

Parameter	This Product	TPS653861-Q1	TPS653860-Q1	TPS65381A-Q1	TPS65381C-Q1	TPS65381-Q1
Package	48-Pin HTSSOP PowerPAD	48-Pin HTSSOP PowerPAD	48-Pin HTSSOP PowerPAD	48-Pin HTSSOP PowerPAD	48-Pin HTSSOP PowerPAD	48-Pin HTSSOP PowerPAD
Brand	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments
Qualification	AEC-Q100	AEC-Q100	AEC-Q100	[DATA_NEEDED]	[DATA_NEEDED]	[DATA_NEEDED]
Power Good Output	Yes	Yes	Yes	[DATA_NEEDED]	[DATA_NEEDED]	[DATA_NEEDED]
Wake-up Pins	2 (WAKEx)	2 (WAKEx)	2 (WAKEx)	[DATA_NEEDED]	[DATA_NEEDED]	[DATA_NEEDED]
Input Voltage Range	[DATA_NEEDED]	[DATA_NEEDED]	[DATA_NEEDED]	[DATA_NEEDED]	[DATA_NEEDED]	[DATA_NEEDED]
Output Voltage Rails	[DATA_NEEDED]	[DATA_NEEDED]	[DATA_NEEDED]	[DATA_NEEDED]	[DATA_NEEDED]	[DATA_NEEDED]
Operating Temperature	[DATA_NEEDED]	[DATA_NEEDED]	[DATA_NEEDED]	[DATA_NEEDED]	[DATA_NEEDED]	[DATA_NEEDED]

Key Differentiators

Integrated PGOOD for rail monitoring (vs TPS65381A-Q1)
Two configurable wake-up pins (vs TPS65381C-Q1)
AEC-Q100 qualified (vs TPS65381-Q1)

Design Notes

The 48-pin HTSSOP PowerPAD package requires proper soldering of the exposed pad to a large copper area for heat dissipation. In automotive environments, thermal resistance is critical; ensure adequate via stitching and a minimum of [DATA_NEEDED] square inches of copper. Without proper thermal design, the junction temperature may exceed limits under high load.

Route the power rails with wide traces to minimize voltage drops. Place decoupling capacitors close to the IC pins. The wake-up pins (WAKEx) should be routed with series resistors for ESD protection. Avoid routing high-speed signals near the power supply traces to reduce noise coupling.

Do not exceed the maximum input voltage. Ensure the enable and wake-up pins are correctly connected to avoid unintended wake events. Verify the PGOOD signal timing for proper system sequencing. Miswiring the wake-up pins can cause the device to be stuck in sleep mode or draw unexpected current.