TPS61170-Q1 - 采用了 2x2mm QFN 封装的汽车类 1.2A 开关、高压升压转换器

TPS61170-Q1是TI德州仪器公司的一款转换器（集成开关）产品，TPS61170-Q1是采用了 2x2mm QFN 封装的汽车类 1.2A 开关、高压升压转换器，本站介绍了TPS61170-Q1的封装应用图解、特点和优点、功能等，并给出了与TPS61170-Q1相关的TI元器件型号供参考。

TPS61170-Q1 - 采用了 2x2mm QFN 封装的汽车类 1.2A 开关、高压升压转换器 - 转换器（集成开关） - DC/DC开关稳压器 - 德州仪器

产品特性

Qualified for Automotive Applications
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
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

产品应用

HEV and EV Charger Systems
Advanced Driver Assistance Systems (ADASs)

产品说明

The TPS61170-Q1 is a monolithic, high-voltage switching regulator with integrated 1.2-A, 40-V power MOSFET. The device can be configured in several standard switching-regulator topologies, including boost and SEPIC. The device has a wide input-voltage range to support applications with input voltage from multicell batteries or regulated 5-V, 12-V power rails.

The TPS61170-Q1 operates at a 1.2-MHz switching frequency, allowing the use of low-profile inductors and low-value ceramic input and output capacitors. External loop compensation components give the user flexibility to optimize loop compensation and transient response. The device has built-in protection features, such as pulse-by-pulse overcurrent limit, soft start, and thermal shutdown.

The FB pin regulates to a reference voltage of 1.229 V. The reference voltage can be lowered using a 1-wire digital interface (EasyScale™ protocol) through the CTRL pin. Alternatively, a pulse width-modulation (PWM) signal can be applied to the CTRL pin. The duty cycle of the signal reduces the feedback reference voltage proportionally.

The TPS61170-Q1 is available in a 6-pin 2-mm × 2-mm SON package, allowing a compact power-supply solution.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
TPS61170-Q1	SON (6)	2.00 mm × 2.00 mm

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