TPS61170QDRVRQ1 Description

The monolithic, 40-V, 1.2-A power MOSFET-integrated TPS61170QDRVRQ1 is a high-voltage switching regulator. Several common switching-regulator topologies, including boost and SEPIC, are among the configuration options for the device. The device offers a broad input voltage range to accommodate applications that require input voltage from multicell batteries or regulated 5-V and 12-V power lines.

Utilizing low-profile inductors and low-value ceramic input and output capacitors is possible with the TPS61170QDRVRQ1 because of its 1.2-MHz switching frequency. The user has the flexibility to tailor transient response and loop compensation with external loop compensation components. Pulse-by-pulse overcurrent limit, soft start, and thermal shutdown are a few of the device's built-in safety measures.

The reference voltage for the FB pin is 1.229 V. Through the CTRL pin on a 1-wire digital interface (EasyScale? protocol), the reference voltage can be decreased. An alternative is to apply a pulse width modulation (PWM) signal to the CTRL pin. The feedback reference voltage decreases in direct proportion to the signal duty cycle. The 6-pin 2-mm 2-mm SON packaging of the TPS61170QDRVRQ1 enables a small power supply option.

TPS61170QDRVRQ1 Features

• 12 V at 300 mA and 24 V at 150 mA from 5-V Input (typical)

• Up to 93% efficiency

• On-the-fly output voltage reprogramming

• Skip-switching cycle for output regulation at light load

• Built-in soft start

• 6-Pin, 2-mm × 2-mm SON package

• Qualified for automotive applications

• Functional Safety-Capable

– Documentation available to aid functional safety system design

• 3-V to 18-V Input voltage range

• High output voltage: up to 38 V

• 1.2-A Integrated switch

• 1.2-MHz Fixed switching frequency

TPS61170QDRVRQ1 Applications

• HEV and EV charger systems

• Advanced driver assistance systems (ADAS)

• Power Management

• Small motor control

• Switch Mode Power Supplies (SMPS)

• Power-Over-Ethernet (PoE)

• Solar inverters

• Automotive applications