MAX14530E Maxim Integrated Products, MAX14530E Datasheet

MAX14530E

Manufacturer Part Number

MAX14530E

Description

(MAX14529E / MAX14530E) Overvoltage Protection

Manufacturer

Maxim Integrated Products

Datasheet

1.MAX14530E.pdf (9 pages)

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The MAX14529E/MAX14530E are overvoltage-protec-

tion devices with USB charger detection, a low-dropout

(LDO) regulator, and ESD protection. These devices

feature a low 35mΩ (typ) R

protect low-voltage systems against voltage faults up to

28V. When the input voltage exceeds the overvoltage

threshold, the internal FET switch is turned off to pre-

vent damage to the protected components.

The charger detection detects a short between the USB

D+ and D- data lines. If the data lines are shorted

together and a dedicated charger is attached, the

phone draws more than 500mA to charge the battery.

The overvoltage thresholds (OVLO) are preset to 5.75V

(MAX14529E) or 6.8V (MAX14530E).

The LDO output (LOUT) is powered from OUT and sup-

plies 3.3V to the USB transceiver. The LDO features a

100mA (min) current capability and low output noise.

The MAX14529E/MAX14530E feature ±15kV HBM ESD

protection with low (3pF) capacitance suitable for

Hi-Speed USB 2.0.

Both devices are offered in a small 12-bump, 1.5mm x

2mm WLP package and operate over the -40°C to

+85°C extended temperature range.

19-4459; Rev 0; 2/09

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

CONNECTOR

USB

Cell Phones

MP3 Players

PDAs and Palmtop Devices

Detection, LDO, and ESD Protection on D+/D-

D+

D-

BUS

Overvoltage Protection with USB Charger

Typical Operating Circuit

________________________________________________________________ Maxim Integrated Products

D+

D-

MAX14529E/

MAX14530E

GND

General Description

CDET

LOUT

OUT

VOK

OEN

LEN

internal FET switch and

1μF

10kΩ

Applications

0.1μF

CHARGER

1.5kΩ

10kΩ

D+

D-

TRANSCEIVER

PROCESSOR

MICRO-

USB 2.0

PHONE

LOAD

♦ Input Voltage Protection Up to 28V

♦ High-Current USB Charger Detection

♦ 3.3V, 100mA LDO

♦ Preset Overvoltage Protection Trip Level

♦ Integrated Low R

♦ Low-Capacitance USB High-Speed Data Line ESD

♦ Thermal-Shutdown Protection

♦ 12-Bump, 1.5mm x 2mm WLP Package

♦ -40°C to +85°C Operating Temperature Range

Note: Both devices are specified over the -40°C to +85°C oper-

ating temperature range.

+ Denotes a lead(Pb)-free/RoHS-compliant package.

T = Tape and reel.

MAX14529EEWC+T 12 WLP

MAX14530EEWC+T 12 WLP

TOP VIEW

(BUMPS ON BOTTOM)

Protection (3pF)

5.75V (MAX14529E)

6.8V (MAX14530E)

±15kV Human Body Model (HBM)

±15kV IEC 61000-4-2 Air Gap

±8kV IEC 61000-4-2 Contact

PART

OEN

OUT

MAX14529E/MAX14530E

PIN-

PACKAGE

Ordering Information/

1.5mm x 2mm

OUT

LEN

35mΩ (typ) FET Switch

WLP

Pin Configuration

CDET

LOUT

VOK

Selector Guide

TOP MARK

AAQ

AAP

GND

D+

D-

Features

OVLO (V)

5.75

6.8

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