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O917A14FTRGZRQ1

Power Management Unit 3.15V to 5.25V Automotive 48-Pin VQFN EP T/R

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O917A14FTRGZRQ1 General Description

The TPS65917-Q1 PMIC integrates five configurable step-down converters with up to 3.5 A of output current to power the processor core, memory, I/O, and preregulation of LDOs The device is AEC-Q100 qualified. The step-down converters are synchronized to an internal 2.2-MHz clock to improve EMC performance of the device. The GPIO_3 pin allows the step-down converters to synchronize to an external clock, allowing multiple devices to synchronize to the same clock which improves system-level EMC performance. The device also contains five LDOs to power low-current or low-noise domains.

The power-sequence controller uses one-time programmable (OTP) memory to control the power sequences, as well as default configurations such as output voltage and GPIO configurations. The OTP is factory-programmed to allow start-up without any software required. Most static settings can be changed from the default through SPI or I2C to configure the device to meet many different system needs. For example, voltage-scaling registers are used to support dynamic voltage-scaling requirements of processors.As an additional safety feature, the he OTP also contains a bit-integrity-error detection feature to stop the power-up sequence if an error is detected, preventing the system from starting in an unknown state.

The TPS65917-Q1 device also includes an analog-to-digital converter (ADC) to monitor the system state. The GPADC includes two external channels to monitor any external voltage, as well as internal channels to measure supply voltage, output current, and die temperature, allowing the processor to monitor the health of the system. The device offers a watchdog to monitor for software lockup, and includes protection and diagnostic mechanisms such as short-circuit protection, thermal monitoring, shutdown, and automatic ADC conversions to detect if a voltage is below a predefined threshold. The PMIC can notify the processor of these events through the interrupt handler, allowing the processor to take action in response.

Texas Instruments, Inc Inventory

Key Features

  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 2: –40°C to +105°C Ambient Operating Temperature Range
    • Device HBM Classification Level 2
    • Device CDM Classification Level C4B
  • System Voltage Range from 3.135 V to 5.25 V
  • Low-Power Consumption
    • 20 µA in Off Mode
    • 90 µA in Sleep Mode With Two SMPSs Active
  • Five Step-Down Switched-Mode Power Supply (SMPS) Regulators:
    • 0.7- to 3.3-V Output Range in 10- or 20-mV Steps
    • Two SMPS Regulators With 3.5-A Capability, With the Ability to Combine into 7-A Output in Dual-Phase Configuration, With Differential Remote Sensing (Output and Ground)
    • Three Other SMPS Regulators with 3-A, 2-A, and 1.5-A Capabilities
    • Dynamic Voltage Scaling (DVS) Control and Output Current Measurement in 3.5-A and 3-A SMPS Regulators
    • Hardware and Software Controlled Eco-mode™ Supplying up to 5 mA
    • Short-Circuit Protection
    • Power-Good Indication (Voltage and Overcurrent Indication)
    • Internal Soft-Start for In-Rush Current Limitation
    • Ability to Synchronize to External Clock between 1.7 MHz and 2.7 MHz
  • Five Low-Dropout (LDO) Linear Regulators:
    • 0 .9- to 3.3-V Output Range in 50-mV steps
    • Two With 300-mA Capability and Bypass Mode
    • One With 100-mA Capability and Capable of Low-Noise Performance up to 50 mA
    • Two Other LDOs With 200-mA Current Capability
    • Short-Circuit Protection
  • 12-Bit Sigma-Delta General-Purpose ADC (GPADC) With 8 Input Channels (2 external)
  • Thermal Monitoring With High Temperature Warning and Thermal Shutdown
  • Power Sequence Control:
    • Configurable Power-Up and Power-Down Sequences (OTP)
    • Configurable Sequences Between the SLEEP and ACTIVE State Transition (OTP)
    • Three Digital Output Signals that can be Included in the Startup Sequence
  • Selectable Control Interface:
    • One SPI for Resource Configurations and DVS Control
    • Two I2C Interfaces.
      • One Dedicated for DVS Control
      • One General Purpose I2C Interface for Resource Configuration and DVS Control
  • OTP Bit-Integrity Error Detection With Options to Proceed or Hold Power-Up Sequence and RESET_OUT Release
  • Package Option:
    • 7-mm × 7-mm 48-pin VQFN With 0.5-mm Pitch
Texas Instruments, Inc Original Stock
Texas Instruments, Inc Inventory

Specifications

Regulated outputs (#) 10 TI functional safety category Functional Safety-Compliant
Vin (min) (V) 3.135 Vin (max) (V) 5.25
Iout (max) (A) 7 Configurability Factory programmable, Software configurable
Rating Automotive Step-down DC/DC controller 0
Step-down DC/DC converter 5 Step-up DC/DC controller 0
Step-up DC/DC converter 0 LDO 5
Iq (typ) (mA) 0.0001 Switching frequency (max) (kHz) 2700
Features Comm control, I2C control, Power good, Power sequencing Operating temperature range (°C) -40 to 105
Processor name Jacinto DRA7x, Jacinto DRA7xP, Jacinto TDA2Px, Jacinto TDA3x Processor supplier Texas Instruments
Shutdown current (ISD) (typ) (µA) 25 Switching frequency (typ) (kHz) 2200
Pin Count 49 Package Category Quad Flat No-Lead
Released Date Oct 3, 2021

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We promise to provide 365 days quality assurance service for all our products.

If you have any dissatisfaction with the quality of the product you received, you can contact us for a refund or exchange, as long as the product is kept in its original condition.

Packing

AVAQ determines and packages all devices based on electrostatic discharge (ESD) and moisture sensitivity level (MSL) protection requirements.
  • ESD

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  • Tape and Reel

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  • Cut Tape

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  • Tube or Tray

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O917A14FTRGZRQ1 Datasheet PDF

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