BQ2005S 参数 Datasheet PDF下载

型号：	BQ2005S
PDF下载：	下载PDF文件查看货源
内容描述：	快速充电IC ，用于双电池包 [Fast-Charge IC for Dual-Battery Packs]
分类和应用：	电源电路电池电源管理电路光电二极管
文件页数/大小：	16 页 / 152 K
品牌：	TI [ TEXAS INSTRUMENTS ]

bq2005

New Charge Cycle

Started by either one of:

rising to valid level

Battery replacement

CELL

falling through V

MCV

)

EDV

< V

CELL

< V

MCV

Charge

Pending

DCMD

tied to

ground?

(channel A only)

No or channel B

Battery Voltage?

CELL

< V

EDV

Rising edge

on DCMD

Yes

CELL

EDV

CELL

MCV

Discharge

= 1/8s

flash

FCC

= high

CELL

> V

MCV

TEMP

> V

LTF

Trickle

TEMP

< V

HTF

CHG = 1/8s

Battery

Temperature?

flash

FCC = high

HTF

< V

TEMP

< V

LTF

CELL

> V

MCV

EDV

< V

CELL

< V

MCV

and

HTF

< V

TEMP

< V

LTF

Fast

CHG = low

FCC = high

CELL

> V

MCV

Trickle

CHG = high

FCC = high

CELL

MCV

CELL

MCV

Battery

Absent

MCV

Trickle

CHG = high

FCC = high

- V or T/ t or

TEMP

< V

TCO

Maximum Time Out

Top-off

selected?

CELL

MCV

Trickle

CHG = high

FCC = low

Charge

Complete

Yes

Top-off

CHG = high

FCC = low

TEMP

< V

TCO

or Maximum

Time Out

SD2005

Figure 4. State Diagram

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