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MDP79410: 产品描述Microchip MDP79410 RTC Power Backup with EnerChip Battery; 文件大小192KB，共1页; 制造商CYMBET; 官网地址http://www.cymbet.com

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MDP79410概述

Microchip MDP79410 RTC Power Backup with EnerChip Battery

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Microchip MDP79410

Real Time Clock

How2 Info Sheet

Microchip MDP79410 RTC Power Backup with EnerChip™ Battery

ENERCH -D9C

CBC315

™

Applications

EnerChips are an attractive RTC backup alternative to batteries or supercapacitors, especially when the

finished product has limited PCB space, size constraints or needs to be sealed or installed in a hard-to-

reach location. They are also excellent if you have any of these design requirements:

•

Battery must be RoHS and WEEE compliant

Product can be discarded without removing battery

Product must have battery installed during shipping via air

Battery must be rechargeable to support a lifetime of power outages

Battery must provide backup power for several hours during a main power failure

MDP79410

Iq (nA at 3V)

XXX

CBC3105

Back up

time (hrs)

Package Size

(mm x mm)

4x5

CBC3112

Back up

time (hrs)

XXX

Package Size

(mm x mm)

7x7

CBC3150

Back up

time (hrs)

XXX

Package Size

(mm x mm)

9x9

Advantages of Combining These Two Parts

Cymbet EnerChips are solid-state, rechargeable batteries with

the following characteristics when compared to conventional

rechargeable batteries:

•

Low self-discharge

Are solder reflow tolerant

Flat discharge voltage profile

High charge/discharge cycle life

Simple voltage controlled charging

Have no flammable solvents to leak or catch fire

Are offered in low profile surface mount packages

GND

32.768KHz

U1 MCP7941X

VBAT

VSS

VCC

IRQ/CLK

SCL

SDA

IRQ*/CLK

SCL

SDA

U2 CBC31XX

VCHG

VBAT

VMODE

VCC

VIN

1.0uF

GND

RESET

VOUT

1.0uF

RESET/

0.1uF

Documentation

Cymbet Application Note:

AN-1046

Cymbet Evaluation Kits:

CBC-EVAL-05B, CBC-EVAL-06

Data Sheets:

Microchip MDP79410, CBC3105, CBC3112, CBC3150

All Cymbet Documents and Downloads:

http://www.cymbet.com/products/datasheets-downloads.php

Evaluation Kits

Cymbet EnerChip

CBC-EVAL-05B

Cymbet EnerChip

RTC CBC-EVAL-06

Doc MD-72-0XX Rev A

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