RICOH RN5T614x handbook

This document is the RN5T614 product specification, which provides detailed information on the features and characteristics of the product

Brand: Ricoh
Category: Power Management
Document type: Datasheet
Language: English
Pages: 71
File format: PDF
File size: 1.1 MB
Published: 10 July, 2012
Updated: 30 September, 2023
MD5 checksum: BBAF7B962376BF3C56BD42460305062F
PDF: RICOH RN5T614x handbook PDF

About this manual

The RNST614x is a power management system device designed for GPS-PND/MID and smartphones. It integrates three high-efficiency step-down DC/DC controllers, eight low dropout regulators, a Li-ion battery charger, and an I2C-Bus interface. The device also includes power control logic, voltage detections, thermal shut-down, and UVLO functions.

What's inside

Outline
Feature
Pin Configuration
Block Diagram
Power Control
Voltage Detector
Regulator
Li-ion Battery Charger
Interrupt Controller
CPU Interface

Specifications

Package Type	QFN0606-48
Process	CMOS
DC/DC1 Output	1.20V (0.9V to 1.5V/12.5mV steps) @1200mA
DC/DC2 Output	1.15V (0.9V to 1.5V/12.5mV steps and 1.8V) @1000mA
DC/DC3 Output	1.8V (1.8V to 3.3V by external resistors) @500mA
LDO1 Output	3.0V (Always-on) @10mA
LDO4 Output	3.3V (1.8V/2.5V/2.6V/2.8V/2.85V/3.0V/3.3V) @300mA
Li-ion Battery Charger Max VCHG	6.5V

Frequently asked questions

What applications is the RNST614x designed for?

It is the power management IC for GPS-PND/MID and Smart-Phone.

Does the RNST614x require an external MOSFET for the battery charger?

No, no external MOSFET is required for the Li-ion battery charger.

What is the maximum voltage the VCHG pin can withstand?

The device can withstand up to 6.5V on the VCHG pin.

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