Datasheet

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Introduction

1 Introduction

The TPS65835 is a single-chip power management IC for active lens 3D glasses consisting of a battery

charger with Power Path management for a single lithium-ion (Li-Ion) or lithium-polymer (Li-Polymer) or

standard coin cell, a low drop out linear regulator (LDO), a boost converter, two H-bridges an MSP430

Core.

1.1 Features

• Battery Charger

– Power Path management

• Low Dropout Linear Regulator (LDO)

• Boost Converter

• Two H-Bridges

• MSP430 Core

1.2 Applications

• Active 3D glasses

– Television

– Computer

– Handheld

– Theater

– Gaming

1.3 Requirements

In order to operate this EVM properly, the hardware must be connected and properly configured. All

components and connectors are installed on the EVM as shipped, except the dc power supply.

2 Electrical Performance Specifications

Input Voltage VIN 3.7 to 6.4 V

Input Voltage Vbat BAT 2.5 to 6.4 V

Output Voltage LDO VLDO 2.2 (default) or 3 V

Output Voltage Boost BST_OUT 8 to 16 V, 10 V default

Charge Current I

CHG

= Kiset/Riset 5 to 100 mA, 70 mA default

Input Voltage Low V

(SW_SEL, VLDO_SET) 0.4 V

Input Voltage High V

(SW_SEL, VLDO_SET) 1.2 V

SLVU486A–July 2011–Revised July 2011 TPS65835 System Evaluation Board

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