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Data Sheet
TPS6593-Q1 Power Management IC (PMIC) with 5 BUCKs and 4 LDOs for Safety-Relevant
Automotive Applications
1 Features
- Qualified for automotive applications
- AEC-Q100 qualified with the following results:
- Device operates from 3 V
to 5.5 V input supply
- Device temperature grade
1: –40°C to +125°C ambient operating temperature range
- Device HBM classification
level 2
- Device CDM classification
level C4A
- Functional Safety-Compliant
- Developed for functional
safety applications
- Documentation to aid
ISO26262 and IEC61508 system design available upon product release
- Systematic capability up
to ASIL-D and SIL-3
- Hardware integrity up to
ASIL-B and SIL-2
- Input supply voltage
monitor
- Under/overvoltage
monitors and over-current monitors on all output supply rails
- Watchdog with selectable
trigger / Q&A mode
- Two error signal monitors
(ESMs) with selectable level / PWM mode
- Thermal monitoring with
high temperature warning and thermal shutdown
- Bit-integrity (CRC) error
detection on internal configuration registers and non-volatile memory
(NVM)
- Low-power consumption
- 2 μA typical shutdown
current
- 7 μA typical in back up
supply only mode
- 20 μA typical in low
power standby mode
- Five step-down switched-mode power supply (BUCK)
regulators:
- 0.3 V to 3.34 V output
voltage range in 5, 10, or 20-mV steps
- One with 4 A, three with
3.5 A, and one with 2 A output current capability
- Flexible multi-phase capability for four BUCKs: up to 14 A output
current from a single rail
- Short-circuit and
over-current protection
- Internal soft-start for
in-rush current limitation
- 2.2 MHz / 4.4 MHz
switching frequency
- Ability to synchronize to
external clock input
- Three low-dropout (LDO) linear regulators with
configurable bypass mode
- 0.6 V to 3.3 V output
voltage range with 50-mV steps in linear regulation mode
- 1.7 V to 3.3 V output
voltage range in bypass mode
- 500 mA output current
capability with short-circuit and over-current protection
- One low-dropout (LDO) linear regulator with
low-noise performance
- 1.2 V to 3.3 V output
voltage range in 25-mV steps
- 300 mA output current
capability with short-circuit and over-current protection
- Configurable power sequence control in
non-volatile memory (NVM):
- Configurable power-up and
power-down sequences between power states
- Digital output signals
can be included in the power sequences
- Digital input signals can
be used to trigger power sequence transitions
- Configurable
handling of safety-relevant errors
- 32-kHz crystal oscillator with option to output a
buffered 32-kHz clock output
- Real-time clock (RTC) with alarm and periodic
wake-up mechanism
- One SPI or two I2C
control interfaces, with second I2C interface dedicated for
Q&A watchdog communication
- Package option:
- 8-mm × 8-mm 56-pin VQFNP
with 0.5-mm pitch
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