Microchip PS700 Manual

Microchip Ikke kategoriseret PS700

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Side 1/14

 2004 Microchip Technology Inc. DS21771B-page 1

PS7051/PS7052

Features

• PS700 tested, fully populated modules for

evaluation

• Designed to work with 1 and 2 series cell Lithium

configurations

• Performs all major battery management functions

including accurate capacity monitoring

• SMBus v1.1 with PEC/CRC-8 communication

with system host

• High accuracy measurement of charge/discharge

current, voltage and temperature with on-chip

15-bit integrating A/D

• Precise capacity reporting using Microchip

patented algorithms and 3D battery cell models

• 3D models and “learned” parameters stored in

integrated EEPROM

• Extremely low-power operation:

- Sleep mode: < 20 µA typical

- Run mode: < 100 µA typical

- Sample mode: < 50 µA typical

• Complete hardware and software development

tools available

• Overall mechanical dimensions:

- 0.248 W x 1.200 L (inches)

- 6.30 W x 30.50 L (millimeters)

Board Photo

Ordering Information

Part Number Description

PS7051 Li Ion - 1 series cell

PS7052 Li Ion - 2 series cells

PS700 Battery Monitor and Safety Module

PS7051/PS7052

DS21771B-page 2  2004 Microchip Technology Inc.

1.0 GENERAL DESCRIPTION

The PS7051 and PS7052 modules are complete Smart

Battery controller subsystems based on the Microchip

PS700 battery monitor. The modules are designed to

operate in a battery pack consisting of one (1) or two

(2) series connected Lithium cells. The module con-

sists of the Microchip PS700 fuel gauge IC and a Seiko

battery protection IC.

1.1 Quick Start – Pack Assembly

Follow these directions to assemble a pack with the

PS705X module.

• Use standard precautions when handling static

sensitive devices.

• Modules should be connected to battery cells in

the order indicated below to insure proper start-up

and operation. Wires should be attached to the

modules first and then connected to the battery

cells as instructed.

• The connection sequence is critical to successful

use of the PS700 family of CMOS ASICs. The

pack positive should be securely connected to the

module first, followed by pack negative.

Step 1: Connect wires to module. Use large diameter

wire (18 AWG-20 AWG) or tabs for current carrying

lines from VR, V2 (PS7052 only) and V1. All others are

signal only lines (24 to 22 AWG).

Step 2: Connect V1 to the most positive point on the

battery cell stack.

Step 3: Connect VR to the most negative point on the

battery cell stack.

Step 4: For PS7052 only, connect V2 to the middle of

the cell stack.

Step 5: Connect external connector to B-, C, D and B+.

Step 6: Program the assembled pack using Microchip’s

PowerMate™ software and PowerCal™ 2 board or

PowerInfo™ 2 board hardware. The EEPROM param-

eters can be changed at will using the utilities on the EE

page in the PowerMate software.

Step 7: Calibrate the pack using the PowerMate

software and PowerCal 2 board hardware. The pack is

now ready for use.

FIGURE 1-1: PS7051 BOARD ASSEMBLY (SIDE 1)

FIGURE 1-2: PS7051 BOARD ASSEMBLY (SIDE 2)

NTC1

NTC2

B+ B-C D V2

Produkt Specifikationer

Mærke:	Microchip
Kategori:	Ikke kategoriseret
Model:	PS700

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