RN5T569

用于车载品的可编程电源管理芯片

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车载用 ( 1.0MB )

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概述
规格
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概述

RN5T569是一款适用于汽车应用的电源管理多通道集成电路 (PMIC)。
该集成电路提供四个高效降压型DCDC，七个LDO，四个GPIO，一个中断控制器 (INTC) 和一个I2C总线接口。这个芯片通过内置的OTP存储器用以定制默认启动电压和启动时序用来满足用户系统的需求。
此外，该芯片还提供动态调压 (Dynamic Voltage Scaling) 功能，热关断功能，过流保护功能和看门狗定时器，并提供了一个可以使用GPIO引脚控制的开关控制。

应用范围

汽车辅助系统电源管理芯片，包括汽车音响设备，汽车导航设备等。

规格

	车载
输入电压范围	2.7 V to 5.5 V (6.0 V)
接口	I²C-Bus interface@3.4 MHz and 400 kHz
降压DC / DC转换器	DCDC1 / 2········································0.6 V to 3.5 V (Max. 3000 mA) DCDC3 / 4········································0.6 V to 3.5 V (Max. 2000 mA) Soft-start circuit Equipped with DVS and Power Save Mode (PSM) Over Current Limit Protection
LDO稳压器	LDO1 / 2 ·········································0.9 V to 3.5 V (Max. 300 mA) LDO3 ·············································0.6 V to 3.5 V (Max. 300 mA) LDO4 / 5 ·········································0.9 V to 3.5 V (Max. 200 mA) LDORTC1 (Always-on, for Coin battery)··1.2 V to 3.5 V (Max. 30 mA) LDORTC2 (Always-on)························0.9 V to 3.5 V (Max. 10mA) Overcurrent Protection and Short-circuit Protection.
通用输入/输出（GPIO）	Interrupt function (level/edge) for input signals Power-on output signal for external devices Power on/off input for System’s power up/down Controllable DCDCx and LDOx by external input LDORTC2 output via GPIO2 pin Current Sink for LED via GPIO0/1 pins ···Max.15 mA C32KOUT output via GPIOx as a clock for external devices
封装	QFN0707-48-P27 (0.5 mm pitch) with Wettable Flanks
System	Detector Function (System/IO-Voltage-detector, UVLO, DETVSB) Thermal Shutdown Function Watchdog Timer Power-on Key Input for System’s power up Power-on Reset Output for CPU Flexible Power-on/off Sequence by OTP Flexible DCDCx and LDOx Default-on/off Control by OTP Interrupt Controller (INTC)
Operating Temperature Range	-40 °C to 105 °C