TPS74801-Q1

ACTIVE

Automotive, 1.5-A low-VIN (0.8 V) adjustable LDO voltage regulator with power good and enable

A newer version of this product is available

open-in-new Compare alternates
Drop-in replacement with upgraded functionality to the compared device
NEW TPS748A-Q1 ACTIVE Automotive, 1.5-A, 0.8-V low-noise adjustable LDO voltage regulator with power good and enable Improved power-supplyy rejection ratio (PSRR), lower noise and lower quiescent current (IQ)

Product details

Output options Adjustable Output Iout (max) (A) 1.5 Vin (max) (V) 5.5 Vin (min) (V) 0.8 Vout (max) (V) 3.6 Vout (min) (V) 0.8 Noise (µVrms) 20 Iq (typ) (mA) 0.48 Thermal resistance θJA (°C/W) 36, 47.2 Rating Automotive Load capacitance (min) (µF) 2.2 Regulated outputs (#) 1 Features Enable, Power good, Soft start Accuracy (%) 1.3 PSRR at 100 KHz (dB) 55 Dropout voltage (Vdo) (typ) (mV) 50 Operating temperature range (°C) -40 to 150
Output options Adjustable Output Iout (max) (A) 1.5 Vin (max) (V) 5.5 Vin (min) (V) 0.8 Vout (max) (V) 3.6 Vout (min) (V) 0.8 Noise (µVrms) 20 Iq (typ) (mA) 0.48 Thermal resistance θJA (°C/W) 36, 47.2 Rating Automotive Load capacitance (min) (µF) 2.2 Regulated outputs (#) 1 Features Enable, Power good, Soft start Accuracy (%) 1.3 PSRR at 100 KHz (dB) 55 Dropout voltage (Vdo) (typ) (mV) 50 Operating temperature range (°C) -40 to 150
VQFN (RGW) 20 25 mm² 5 x 5 VSON (DRC) 10 9 mm² 3 x 3
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, T A
  • V OUT range: 0.8 V to 3.6 V
  • Ultra-low V IN range: 0.8 V to 5.5 V
  • V BIAS range 2.7 V to 5.5 V
  • Low dropout: 60 mV typ at 1.5 A, V BIAS = 5 V
  • Power-good (PG) output allows supply monitoring or provides a sequencing signal for other supplies
  • 2% accuracy over line, load, and temperature
  • Programmable soft-start provides linear voltage start-up
  • V BIAS permits low V IN operation with good transient response
  • Stable with any output capacitor ≥ 2.2 µF
  • Available in small 3-mm × 3-mm × 1-mm VSON-10 and 5-mm × 5-mm VQFN-20 packages
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, T A
  • V OUT range: 0.8 V to 3.6 V
  • Ultra-low V IN range: 0.8 V to 5.5 V
  • V BIAS range 2.7 V to 5.5 V
  • Low dropout: 60 mV typ at 1.5 A, V BIAS = 5 V
  • Power-good (PG) output allows supply monitoring or provides a sequencing signal for other supplies
  • 2% accuracy over line, load, and temperature
  • Programmable soft-start provides linear voltage start-up
  • V BIAS permits low V IN operation with good transient response
  • Stable with any output capacitor ≥ 2.2 µF
  • Available in small 3-mm × 3-mm × 1-mm VSON-10 and 5-mm × 5-mm VQFN-20 packages

The TPS74801-Q1 low-dropout (LDO) linear regulator provides an easy-to-use robust power management solution for a wide variety of applications. User-programmable soft-start minimizes stress on the input power source by reducing capacitive inrush current on start-up. The soft-start is monotonic and designed for powering many different types of processors and ASICs. The enable input and power-good output allow easy sequencing with external regulators. This complete flexibility allows a solution to be configured that meets the sequencing requirements of FPGAs, DSPs, and other applications with special start-up requirements.

A precision reference and error amplifier delivers 2% accuracy over load, line, temperature, and process. The device is stable with any type of output capacitor greater than or equal to 2.2 µF, and is fully specified for T J = –40°C to +150°C for the new chip, T J = –40°C to +105°C for the DRC package, and T J = –40°C to +125°C for the RGW package. The TPS74801-Q1 is offered in a small 3-mm × 3-mm VSON-10 package, yielding a highly compact, total solution size. The device is also available in a 5-mm × 5-mm VQFN-20.

The TPS74801-Q1 low-dropout (LDO) linear regulator provides an easy-to-use robust power management solution for a wide variety of applications. User-programmable soft-start minimizes stress on the input power source by reducing capacitive inrush current on start-up. The soft-start is monotonic and designed for powering many different types of processors and ASICs. The enable input and power-good output allow easy sequencing with external regulators. This complete flexibility allows a solution to be configured that meets the sequencing requirements of FPGAs, DSPs, and other applications with special start-up requirements.

A precision reference and error amplifier delivers 2% accuracy over load, line, temperature, and process. The device is stable with any type of output capacitor greater than or equal to 2.2 µF, and is fully specified for T J = –40°C to +150°C for the new chip, T J = –40°C to +105°C for the DRC package, and T J = –40°C to +125°C for the RGW package. The TPS74801-Q1 is offered in a small 3-mm × 3-mm VSON-10 package, yielding a highly compact, total solution size. The device is also available in a 5-mm × 5-mm VQFN-20.

Download View video with transcript Video

Technical documentation

star =Top documentation for this product selected by TI
No results found. Please clear your search and try again.
View all 2
Type Title Date
* Data sheet TPS74801-Q1 Automotive, 1.5-A, Low-Dropout Linear Regulator With Programmable Soft-Start datasheet (Rev. D) PDF | HTML 05 Dec 2023
Functional safety information TPS74801-Q1 Functional Safety FIT Rate, FMD and Pin FMA PDF | HTML 11 Feb 2022

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

DS90UB9702-Q1EVM — DS90UB9702-Q1 evaluation module

The DS90UB9702-Q1EVM evaluation module (EVM) is a functional board design for evaluating the DS90UB9702-Q1 FPD-Link IV deserializer hub. The DS90UB9702-Q1 is a versatile deserializer capable of receiving data from up to four independent video sources using FPD-Link III and FPD-Link IV serializers. (...)
Evaluation board

TPS74801EVM-177 — TPS74801 evaluation module for 1.5-A 0.8-V adjustable low-dropout (LDO) voltage regulator

The TPS74801EVM-177 evaluation module (EVM) is a platform for evaluating the TPS74801 low-dropout (LDO) linear regulator.

TPS74801 requires a low-power bias voltage (VBIAS) and a power input voltage (VIN). The regulator can provide output voltages down to 0.8 V and has an integrated supervisory (...)

User guide: PDF | HTML
Not available on TI.com
Reference designs

TIDEP-01017 — Cascade imaging radar capture reference design using Jacinto™ ADAS processor

This reference design provides a processing foundation for a cascaded imaging radar system. Cascade radar devices can support front, long-range (LRR) beam-forming applications as well as corner- and side-cascade radar and sensor fusion systems. This reference design provides qualified developers (...)
Design guide: PDF
Schematic: PDF
Package Pins Download
VQFN (RGW) 20 View options
VSON (DRC) 10 View options

Ordering & quality

Information included:
  • RoHS
  • REACH
  • Device marking
  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring
Information included:
  • Fab location
  • Assembly location

Recommended products may have parameters, evaluation modules or reference designs related to this TI product.

Support & training

TI E2E™ forums with technical support from TI engineers

Content is provided "as is" by TI and community contributors and does not constitute TI specifications. See terms of use.

If you have questions about quality, packaging or ordering TI products, see TI support. ​​​​​​​​​​​​​​

Videos