1 Features

• Qualified for Automotive Applications

• AEC-Q100 Qualified with the following results:

– Device Temperature Grade 1: –40°C to +125°C

Ambient Operating Temperature

– Device Temperature Grade 0: –40°C to +150°C

Ambient Operating Temperature

– Device HBM ESD Classification Level 2

– Device CDM ESD Classification Level C4B

• Functional Safety-Compliant (targets, confirmed on

device release)

– Developed for Functional Safety Applications

– Documentation Available to Aid ISO 26262

System Design up to ASIL D

– Systematic Capability and Hardware Integrity

up to ASIL D

• Input Voltage Range

– 5 to 36 V for Initial Power Up

– 3.5 to 36 V Full Functionality After Initial Power

Up, limited operation to 2.3 V

• Output Supply Rails

– Synchronous Buck-Boost Preregulator with

configurable Spread-Spectrum, 4.3 V, 5 V, or 6

V and low IQ mode with the following options:

• 2.8 A in Buck Mode (Option 0 Variant)

• 1.5 A in Buck Mode (Option 1 Variant)

– Four LDOs: 1.0 V to 1.8 V in 50 mV steps,

2.5 V, 3.0 V, 3.3 V, 5 V, bypass or voltage

monitor mode. Each LDO with Independent

Configurable Current Limit.

• LDO1 and LDO2: Low IQ, up to 600 mA

• LDO3 and LDO4: Low Noise, Low IQ, 1

Accuracy, up to 200 mA

– Two Protected LDOs for Sensor or Peripheral

Supplies, PLDO1 and PLDO2

• Configurable for Tracking Mode or Fixed

Output: 1.0 V to 1.8 V in 50 mV steps, 2.5 V,

3.0 V, 3.3 V or 5 V up to 200 mA

• Short-to-Chassis (–2 V) and Supply (+36 V)

Protection

• Power Sequence Control:

– Configurable power-up and down sequences

(NVM default including output voltages)

– Output rails, external voltage monitor and

external enable signals can be included

• Monitoring, Protection and Diagnostics

– Undervoltage and Overvoltage Monitoring on

All Regulator Outputs, Battery Voltage, and

Internal Supplies

– Two External Voltage Monitors (Pins)

– All Regulator Outputs Protected with

Independent Current Limit

– All Regulators Protected with Independent

Overtemperature Prewarning and Shutdown

– Watchdog: Configurable for Open and Close

Window or Question-Answer

– Error Signal Monitor (ESM) for Monitoring MCU

Error Output (PWM and Level Modes)

– SAFE State for Device and System Protection

– Clock Monitor for Internal Oscillators

– Analog and Logic Built-In Self-Test (BIST)

– CRC on Non-Volatile Memory (NVM),

Device Configuration Registers, and SPI

Communication

– Diagnostic Output Pin: Multiplexes Analog and

Digital Signals to MCU ADC and Input

• Compare Module: 2 Channels Configurable as

General Purpose Comparators or up to 4

Channels of Voltage Monitoring

• Timer (Low IQ) for Wake-Up and Measurement,

64-μs to 203.6 Days

• SPI for Configuration, Status and Error Reporting

• Reset Output (NRST), Two Configurable Safing

Outputs (SAFE_OUTx) for System Safe State

on Detected Faults Interrupt Output (NINT), and

Power Good Output (PGOOD)

• Two Configurable Wake-up Pins (WAKEx)

• 48-Pin HTSSOP PowerPAD™ IC Package

2 Applications

• Safety-Relevant Automotive Applications

3 Description

The TPS65386x-Q1 device is a multirail power

supply designed to supply microcontrollers, sensors,

transceivers and peripherals in safety relevant

applications.