L6924D datasheet(8/38 Pages) STMICROELECTRONICS

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Electrical specifications

L6924D

8/38

Electrical specifications

4.1

Electrical characteristics

TJ = 25°C, VIN = 5V, unless otherwise specified

Table 5.

Electrical characteristics

Symbol

Parameter

Test condition

Min

Typ

Max

Unit

VIN

(1)

Operating input voltage

2.5

Start up threshold

4.1

IIN

(1)

Supply current

Charging mode (RPRG = 24K)

1.8

2.5

Shutdown mode (RPRG = 24K)

µA

ISINK

Current flowing from VOUT

Shutdown mode (RPRG = 24K)

500

Stand by mode (RPRG = 24K)

(VIN = 2.5V < VBATTERY)

500

VOUT

(1)

Battery regulated voltage

VOPRG at VIN

4.06

4.1

4.14

VOPRG at GND

4.16

4.2

4.24

ICHG

Charge current

RPRG = 24K

450

490

525

RPRG = 12K

905

975

1045

IPRECH

Pre-Charge current

[default value = 10% ICHG]

IPRE floating

RPRG = 24K

IPRECH

Pre-Charge current

RPRE = 62K to GND;

RPRG = 24K

IPRECH

Pre-Charge current

RPRE = 39K to VREF;

RPRG = 24K

29.5

40.1

VPRETH

Pre-Charge voltage

threshold [default]

VPRE = VPRETHDefault =

Floating

2.7

2.8

2.9

VPRETH

Pre-Charge voltage

threshold

RVPRE = 13K; RPRG = 12K

2.87

3.03

3.19

VPRETH

Pre-Charge voltage

threshold [default].

Charge termination

disabled

2.7

2.8

2.9

IENDTH

Termination current

REND = 3K3

TMAXCH

(2)

Maximum charging time

CTPRG = 10nF

R[IPRG] = 24K

hours

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