LTC4101EG Просмотр технического описания (PDF) - Linear Technology

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LTC4101EG

Smart Battery Charger Controller

Linear Technology 

LTC4101

ABSOLUTE MAXIMUM RATINGS

(Note 1)

Voltage from VDD to GND................................. 7V/–0.3V

Voltage from CHGEN, DCDIV, SDA,

SCL and SMBALERT to GND............................ 7V/–0.3V

Voltage from DCIN, CLP, CLN to GND............. 32V/–0.3V

Voltage from CLP to CLN .......................................±0.3V

PGND wrt. GND..................................................... ±0.3V

CSP, BAT to GND ............................................... 28V/–5V

Operating Ambient Temperature Range (Note 4)

.................................................................–40°C to 85°C

Junction Temperature Range ................ –40°C to 125°C

Storage Temperature Range...................–65°C to 150°C

Lead Temperature (Soldering, 10 sec) .................. 300°C

PACKAGE/ORDER INFORMATION

TOP VIEW

TGATE 1

PGND 2

BGATE 3

INFET 4

DCIN 5

CHGEN 6

SMBALERT 7

SDA 8

SCL 9

ACP 10

DCDIV 11

GND 12

24 CLP

23 CLN

22 BAT

21 CSP

20 IDC

19 ITH

18 VSET

17 VDD

16 THA

15 THB

14 VLIM

13 ILIM

G PACKAGE

24-LEAD PLASTIC SSOP

TJMAX = 125°C, θJA = 90°C/W

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING

PACKAGE DESCRIPTION

LTC4101EG#PBF

LTC4101EG#TRPBF

LTC4101EG

24-Lead Plastic SSOP

LEAD BASED FINISH

TAPE AND REEL

PART MARKING

PACKAGE DESCRIPTION

LTC4101EG

LTC4101EG#TR

LTC4101EG

24-Lead Plastic SSOP

Consult LTC Marketing for parts specified with wider operating temperature ranges.

For more information on lead free part marking, go to: http://www.linear.com/leadfree/

For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/

TEMPERATURE RANGE

–40°C to 85°C

TEMPERATURE RANGE

–40°C to 85°C

ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. VDCIN = 20V, VDD = 3.3V, VBAT = 4V unless otherwise noted. (Note 4)

SYMBOL PARAMETER

CONDITIONS

MIN

TYP

MAX UNITS

DCIN Operating Range

l6

28

V

IDCIN DCIN Operating Current

Charging, Sum of Currents on

DCIN, CLP and CLN

3

5

mA

VTOL

Charge Voltage Accuracy

(Note 2)

–1.1

l –1.3

1.1

%

1.3

%

ITOL

Charge Current Accuracy (Note 3)

VDD

VDD Operating Voltage

Shutdown

VCSP – VBAT Target = 102.3mV

IDAC = 0xFFFF

0V ≤ VDCIN ≤ 28V

–2

l –3

l3

6

%

7

%

5.5

V

Battery Leakage Current

DCIN = 0V, VCLP = VCLN = VCSP = VBAT

l

15

35

μA

UVLO

Undervoltage Lockout Threshold

VDD Power-Fail

DCIN Current in Shutdown

DCIN Rising, VBAT = 0V

l 4.2

4.7

5.5

V

Part Held in Reset Until this VDD Present

l

3

V

VCHGEN = 0V

2

3

mA

4101fa

2

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