TPS65941213RWERQ1

The TPS6594-Q1 device provides four flexible multi-phase configurable buck regulators (3.5A output current per phase) and one additional buck regulator with 2A output current.

Applications

• Automotive infotainment systems, digital instrument clusters, navigation systems, telematics, body electronics, and lighting
• Advanced Driver Assistance Systems (ADAS)
• Industrial control and automation

Key features

• Automotive application compliant:
• Input supply voltage range: 3V to 5.5V
• 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 support ISO 26262 system design up to ASIL-D and IEC 61508 system design up to SIL-3
• System functional safety up to ASIL-D, hardware integrity up to ASIL-D
• Input supply voltage monitoring and overvoltage protection
• Undervoltage/overvoltage monitoring and overcurrent monitoring on all output power rails
• Watchdog with selectable trigger/Q&A mode
• Two error signal monitors (ESM) with selectable level/PWM mode
• Temperature monitoring with high-temperature warning and thermal shutdown
• Bit integrity (CRC) error detection for internal configuration registers and NVM
• Low power consumption:
• Typical shutdown current: 7μA typical in backup power-only mode, 20μA typical in low-power standby mode
• Five switch-mode step-down regulators:
• Output voltage range: 0.3V to 3.34V (voltage steps of 5mV, 10mV, or 20mV)
• Output current: one at 4A, three at 3.5A, and one at 2A
• Flexible multiphase capability for four buck regulators: output current up to 14A on a single rail
• Short-circuit and overcurrent protection
• Internal soft-start to limit inrush current
• Switching frequency 2.2MHz/4.4MHz, synchronizable to external clock input
• Three LDO linear regulators with configurable bypass mode:
• Output voltage range in linear regulation mode: 0.6V to 3.3V (voltage steps of 50mV)
• Output voltage range in bypass mode: 1.7V to 3.3V
• 500mA output current with short-circuit and overcurrent protection
• One low-noise LDO linear regulator:
• Output voltage range: 1.2V to 3.3V (voltage steps of 25mV)
• 300mA output current with short-circuit and overcurrent protection
• Configurable power sequencing control in NVM:
• Configurable power-up and power-down sequences between power states
• Digital output signals includable in power sequence
• Digital input signals to trigger power state transitions
• Configurable safety-related error handling
• 32kHz crystal oscillator with buffered 32kHz clock output
• RTC with alarm and periodic wake-up mechanism
• One SPI or two I2C control interfaces, with the second I2C interface dedicated to Q&A watchdog communication
• Package option: 8mm × 8mm 56-pin VQFNP, 0.5mm pitch