LTC4061EDD(RevA) 查看數據表（PDF） - Linear Technology

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LTC4061EDD
(Rev.:RevA)

Standalone Linear Li-Ion Battery Charger with Thermistor Input

Linear Technology 

LTC4061

APPLICATIO S I FOR ATIO

POWER ON

TRICKLE CHARGE MODE

1/10TH FULL CURRENT

CHRG STATE: PULL-DOWN

BAT < 2.9V

BAT > 2.9V

2.9V < BAT < 4.1V

CHARGE MODE

FULL CURRENT

EN = 0V

OR UVLO

CONDITION

STOPS

SHUTDOWN MODE

ICC DROPS TO 20µA

BAT < 4.1V

BAT > 4.1V

CHRG STATE: PULL-DOWN

CHRG STATE: Hi-Z

IBAT < IDETECT

IN VOLTAGE MODE

STANDBY MODE

NO CHARGE CURRENT

CHRG STATE: Hi-Z

4061 F04

EN = 5V

OR

UVLO CONDITION

Figure 4. State Diagram of a Charge Cycle

Using Charge Current Termination

POWER ON

TRICKLE CHARGE MODE

1/10TH FULL CURRENT

CHRG STATE: PULL-DOWN

BAT < 2.9V

BAT > 2.9V

CHARGE MODE

FULL CURRENT

CHRG STATE:

2.9V < BAT PULL-DOWN IF IBAT > IDETECT

Hi-Z IF IBAT < IDETECT

4061 F05

EN = 0V

OR UVLO

CONDITION

STOPS

SHUTDOWN MODE

ICC DROPS TO 20µA

CHRG STATE: Hi-Z

EN = 5V

OR

UVLO CONDITION

Figure 5. State Diagram of a Charge Cycle

Using User-Selectable Termination

4061fa

14

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