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TPS65221-Q1

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Automotive 5.5V PMIC with four buck converters and three LDOs for ADAS processors up to ASIL-B

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Data sheet

TPS65221-Q1

ACTIVE
Data sheet Order now

Product details

Processor supplier Texas Instruments Processor name TDA4VE-Q1 Regulated outputs (#) 7 Step-down DC/DC converter 4 LDO 3 Vin (min) (V) 3 Vin (max) (V) 5.5 Vout (min) (V) 0.5 Vout (max) (V) 3.3 Iout (max) (A) 3.5 TI functional safety category Functional Safety-Compliant Features Adaptive/Dynamic Voltage Scaling, Dynamic voltage scaling, I2C control, Multiple outputs, Power Sequencing, Power good, Undervoltage and overvoltage monitor Rating Automotive Operating temperature range (°C) -40 to 125 Switching frequency (typ) (kHz) 2200, 4400 Processor series Jacinto, Jacinto AM67, Jacinto AM67x, Jacinto TDA4x
Processor supplier Texas Instruments Processor name TDA4VE-Q1 Regulated outputs (#) 7 Step-down DC/DC converter 4 LDO 3 Vin (min) (V) 3 Vin (max) (V) 5.5 Vout (min) (V) 0.5 Vout (max) (V) 3.3 Iout (max) (A) 3.5 TI functional safety category Functional Safety-Compliant Features Adaptive/Dynamic Voltage Scaling, Dynamic voltage scaling, I2C control, Multiple outputs, Power Sequencing, Power good, Undervoltage and overvoltage monitor Rating Automotive Operating temperature range (°C) -40 to 125 Switching frequency (typ) (kHz) 2200, 4400 Processor series Jacinto, Jacinto AM67, Jacinto AM67x, Jacinto TDA4x
VQFN-HR (RAH) 36 30 mm² 6 x 5
  • Qualified for automotive applications
  • AEC-Q100 qualified with the following results:
    • Input supply: 3V to 5.5V
    • Temperature grade 1: –40°C to +125°C (ambient)
    • HBM classification level 2
    • CDM classification level C4A
  • Functional safety-compliant
    • Developed for functional safety applications
    • Documentation available to aid ISO26262 system design
    • Documentation available to aid IEC61508 system design
    • Systematic integrity up to ASIL-D
    • Systematic integrity up to SIL-3
    • Hardware integrity up to ASIL-B
    • Hardware integrity up to SIL-2
    • Undervoltage and overvoltage monitors and current limit on all output supply rails
    • Undervoltage and overvoltage monitors for two external supply rails and for input supply
    • Watchdog (trigger or Q&A)
    • Error signal monitor (level or PWM)
    • Temperature warning and thermal shutdown
    • Built-in self-test on voltage monitors
  • BUCK1 + BUCK2 high-efficiency step-down DC/DC converters
    • Output voltage: 0.5V to 3.3V
    • Output current: 3.5A
    • Switching frequency: 2.2MHz or 4.4MHz
  • BUCK3 + BUCK4 high-efficiency step-down DC/DC converters
    • Output voltage: 0.5V to 3.3V
    • Output current: 2.4A
    • Switching frequency: 2.2MHz or 4.4MHz
  • Two low-dropout (LDO) linear regulators with configurable load-switch mode
    • Output voltage: 0.6V to 3.3V in LDO-mode
    • Output current: 400mA
  • One low-dropout (LDO) linear regulator with low-noise performance and with configurable load-switch mode
    • Output voltage: 1.2V to 3.3V in LDO-mode
    • Output current: 300mA
  • Six configurable general-purpose input-output (GPIO) pins, reset and safe state outputs
  • OTP configurable power sequence
  • 36-pin, 5mm × 6mm, QFN package, 0.5mm pitch
  • Qualified for automotive applications
  • AEC-Q100 qualified with the following results:
    • Input supply: 3V to 5.5V
    • Temperature grade 1: –40°C to +125°C (ambient)
    • HBM classification level 2
    • CDM classification level C4A
  • Functional safety-compliant
    • Developed for functional safety applications
    • Documentation available to aid ISO26262 system design
    • Documentation available to aid IEC61508 system design
    • Systematic integrity up to ASIL-D
    • Systematic integrity up to SIL-3
    • Hardware integrity up to ASIL-B
    • Hardware integrity up to SIL-2
    • Undervoltage and overvoltage monitors and current limit on all output supply rails
    • Undervoltage and overvoltage monitors for two external supply rails and for input supply
    • Watchdog (trigger or Q&A)
    • Error signal monitor (level or PWM)
    • Temperature warning and thermal shutdown
    • Built-in self-test on voltage monitors
  • BUCK1 + BUCK2 high-efficiency step-down DC/DC converters
    • Output voltage: 0.5V to 3.3V
    • Output current: 3.5A
    • Switching frequency: 2.2MHz or 4.4MHz
  • BUCK3 + BUCK4 high-efficiency step-down DC/DC converters
    • Output voltage: 0.5V to 3.3V
    • Output current: 2.4A
    • Switching frequency: 2.2MHz or 4.4MHz
  • Two low-dropout (LDO) linear regulators with configurable load-switch mode
    • Output voltage: 0.6V to 3.3V in LDO-mode
    • Output current: 400mA
  • One low-dropout (LDO) linear regulator with low-noise performance and with configurable load-switch mode
    • Output voltage: 1.2V to 3.3V in LDO-mode
    • Output current: 300mA
  • Six configurable general-purpose input-output (GPIO) pins, reset and safe state outputs
  • OTP configurable power sequence
  • 36-pin, 5mm × 6mm, QFN package, 0.5mm pitch

The TPS65221-Q1 device meets the power management requirements of the latest processors and platforms in various safety-relevant applications. The device is characterized across an ambient temperature range of -40°C to +125°C, making the PMIC an excellent choice for various automotive applications. The device has four step-down DC/DC (BUCK) converters. Furthermore, the device has three low drop-out (LDO) regulators, which can also be used as load-switches.

The TPS65221-Q1 device meets the power management requirements of the latest processors and platforms in various safety-relevant applications. The device is characterized across an ambient temperature range of -40°C to +125°C, making the PMIC an excellent choice for various automotive applications. The device has four step-down DC/DC (BUCK) converters. Furthermore, the device has three low drop-out (LDO) regulators, which can also be used as load-switches.

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Technical documentation

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* Data sheet TPS65221-Q1 Power Management IC (PMIC) with 4 BUCKs and 3 LDOs for Safety-Relevant Applications datasheet PDF | HTML 25 Aug 2025
Product overview PMIC for Powering AM62Px Devices PDF | HTML 14 Mar 2024

Design & development

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Evaluation board

TPS65224Q1EVM — TPS652241-Q1 evaluation module

The TPS65224Q1EVM board can be used to test, demonstrate, debug and configure the TPS6522x power management IC for automotive and industrial applications. The device onboard is TPS6522430-Q1 which has a 2+1+1 phase configuration for the buck converters with one 10A output and two 2A outputs.
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VQFN-HR (RAH) 36 Ultra Librarian
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