Apple Battery Charger User Manual download pdf

USB Battery Charger Detectors

MAX14578E/MAX14578AE

EVALUATION KIT AVAILABLE

19-5821; Rev 4; 5/14

Ordering Information/Selector Guide

General Description

The MAX14578E/MAX14578AE are USB charger detec-

tors compliant with USB Battery Charging Revision 1.1.

The USB charger-detection circuitry detects USB stan-

dard downstream ports (SDPs), USB charging down-

stream ports (CDPs), or dedicated charger ports (DCPs),

and controlS an external lithium-ion (Li+) battery charger.

The devices implement USB Battery Charging Revision

1.1-compliant detection logic including data contact

detection, D+/D- short detection, charging downstream

port identification. The MAX14578AE features an enable

(EN) input and an LDO output.

In addition, the internal USB switch is compliant to

Hi-Speed USB, full-speed USB, and low-speed USB

signals. The devices feature low on-resistance, low

on-resistance flatness, and very low capacitance. The

devices also feature high-ESD protection up to Q15kV

Human Body Model on the CD+ and CD- pins.

In addition, the MAX14578E/MAX14578AE feature Apple

and Sony charger detection that allows identification of

resistor-divider networks on D+/D-.

The MAX14578E/MAX14578AE are available in 12-bump,

0.4mm pitch, 1.3mm x 1.68mm WLP and 16-pin TQFN

packages and operate over the -40NC to +85NC extended

temperature range.

Features

S Compliant to USB Battery Charging Revision 1.1

S Data Contact Detection for Foolproof Connector

Insertion Detection

S Charging Downstream Detection

S Apple/Sony Charger Detection

S Dedicated Charger Detection

S China YD/T1591-Compliant Charger Detection

S Internal Switches Isolate the USB Transceiver

During the Charger Detection Process

S V

BUS

Connection Capable of 28V

S Device Status Change Interrupt

S Low Supply Current

S High-ESD Protection on CD+ and CD-

±15kV Human Body Model

±8kV IEC 6100-4-2 Contact Discharge

Applications

DSC and Camcorder

Media Players

Cell Phones

e-Book Readers

Mobile Internet Devices (MIDs)

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

*EP = Exposed Pad

T = Tape and reel.

PART I

C EN LDO TEMP RANGE PIN-PACKAGE TOP MARK

MAX14578EEWC+T Yes No No -40NC to +85NC 12 WLP +ABW

MAX14578AEEWC+T No Yes Yes -40NC to +85NC 12 WLP +ABX

MAX14578EETE+T Yes No No -40NC to +85NC 16 TQFN AJA

MAX14578AEETE+T No Yes Yes -40NC to +85NC 16 TQFN AJB

For pricing, delivery, and ordering information, please contact Maxim Direct

at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.

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Summary of Contents

Page 1 - MAX14578E/MAX14578AE

USB Battery Charger DetectorsMAX14578E/MAX14578AEEVALUATION KIT AVAILABLE19-5821; Rev 4; 5/14 Or

Page 2

10 Maxim IntegratedUSB Battery Charger DetectorsMAX14578E/MAX14578AE MAX14578AE Functional Diagram/Typical Application Ci

Page 3

11Maxim IntegratedUSB Battery Charger DetectorsMAX14578E/MAX14578AETable 1. Register MapTable 2. Detailed Register MapADDRESS NAME BIT 7 BIT 6 BIT 5

Page 4

12 Maxim IntegratedUSB Battery Charger DetectorsMAX14578E/MAX14578AETable 2. Detailed Register Map (continued)FIELD NAME READ/WRITE BIT DEFAULT DESC

Page 5

13Maxim IntegratedUSB Battery Charger DetectorsMAX14578E/MAX14578AETable 2. Detailed Register Map (continued)Note: CP_ENA, DCHK, USB_CHGDET, DCD_EN,

Page 6

14 Maxim IntegratedUSB Battery Charger DetectorsMAX14578E/MAX14578AE Detailed DescriptionThe MAX14578E/MAX14578AE are USB charg

Page 7

15Maxim IntegratedUSB Battery Charger DetectorsMAX14578E/MAX14578AEFigure 1. Charger-Type-Detection SequenceFigure 2. Charger-Detection TimingtMDEBV

Page 8

16 Maxim IntegratedUSB Battery Charger DetectorsMAX14578E/MAX14578AEFigure 3 shows D+/D- terminations for a standard USB host/charging downstream po

Page 9

17Maxim IntegratedUSB Battery Charger DetectorsMAX14578E/MAX14578AE I2C Serial Interface (MAX14578E)Serial AddressingThe MAX14578E operates as a sl

Page 10

18 Maxim IntegratedUSB Battery Charger DetectorsMAX14578E/MAX14578AEFigure 6. Bit TransferFigure 7. AcknowledgeFigure 8. Slave AddressBit TransferOn

Page 11

19Maxim IntegratedUSB Battery Charger DetectorsMAX14578E/MAX14578AEFormat for WritingA write to the MAX14578E comprises the transmission of the slav

Page 12

2 Maxim IntegratedUSB Battery Charger DetectorsMAX14578E/MAX14578AEStresses beyond those listed under “Absolute Maximum Ratings” may cause permanent

Page 13

20 Maxim IntegratedUSB Battery Charger DetectorsMAX14578E/MAX14578AEFigure 11. Format for Reads (Repeated START) Applications Informat

Page 14

21Maxim IntegratedUSB Battery Charger DetectorsMAX14578E/MAX14578AEThe VB input withstands up to ±15kV (HBM) if bypassed with a 1FF ceramic capacito

Page 15

22 Maxim IntegratedUSB Battery Charger DetectorsMAX14578E/MAX14578AE Chip InformationPROCESS: BiCMOS P

Page 16

Maxim Integrated cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim Integrated product. No circui

Page 17

3Maxim IntegratedUSB Battery Charger DetectorsMAX14578E/MAX14578AEELECTRICAL CHARACTERISTICS (continued)(VBAT = +2.8V to +5.5V, VB = +3.5V to +5.5V,

Page 18

4 Maxim IntegratedUSB Battery Charger DetectorsMAX14578E/MAX14578AEELECTRICAL CHARACTERISTICS (continued)(VBAT = +2.8V to +5.5V, VB = +3.5V to +5.5V

Page 19

5Maxim IntegratedUSB Battery Charger DetectorsMAX14578E/MAX14578AENote 4: All units are 100% production tested at TA = +25NC. Limits over the opera

Page 20

6 Maxim IntegratedUSB Battery Charger DetectorsMAX14578E/MAX14578AE Typical Operating

Page 21

7Maxim IntegratedUSB Battery Charger DetectorsMAX14578E/MAX14578AE Typical Operating Characteristics (con

Page 22

8 Maxim IntegratedUSB Battery Charger DetectorsMAX14578E/MAX14578AE

Page 23

9Maxim IntegratedUSB Battery Charger DetectorsMAX14578E/MAX14578AE MAX14578E Functional Diagram/Typical Application Cir

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