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LTC2944CDD#PBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20
LTC2944
19
2944f
For more information www.linear.com/LTC2944
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
package DescripTion
DD Package
8-Lead Plastic DFN (3mm × 3mm)
(Reference LTC DWG # 05-08-1698 Rev C)
3.00 ±0.10
(4 SIDES)
NOTE:
1. DRAWING TO BE MADE A JEDEC PACKAGE OUTLINE M0-229 VARIATION OF (WEED-1)
2. DRAWING NOT TO SCALE
3. ALL DIMENSIONS ARE IN MILLIMETERS
4. DIMENSIONS OF EXPOSED PAD ON BOTTOM OF PACKAGE DO NOT INCLUDE
MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE
5. EXPOSED PAD SHALL BE SOLDER PLATED
6. SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION
ON TOP AND BOTTOM OF PACKAGE
0.40 ± 0.10
BOTTOM VIEW—EXPOSED PAD
1.65 ± 0.10
(2 SIDES)
0.75 ±0.05
R = 0.125
TYP
2.38 ±0.10
14
85
PIN 1
TOP MARK
(NOTE 6)
0.200 REF
0.00 – 0.05
(DD8) DFN 0509 REV C
0.25 ± 0.05
2.38 ±0.05
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
APPLY SOLDER MASK TO AREAS THAT ARE NOT SOLDERED
1.65 ±0.05
(2 SIDES)2.10 ±0.05
0.50
BSC
0.70 ±0.05
3.5 ±0.05
PACKAGE
OUTLINE
0.25 ± 0.05
0.50 BSC
Please refer to http://www.linear.com/product/LTC2944#packaging for the most recent package drawings.
LTC2944
20
2944f
For more information www.linear.com/LTC2944
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
LINEAR TECHNOLOGY CORPORATION 2017
LT 0117 • PRINTED IN USA
relaTeD parTs
Typical applicaTion
PART NUMBER DESCRIPTION COMMENTS
Battery Gas Gauges
LTC2943 I
2
C Battery Gas Gauge with Voltage, Current and
Temperature ADC
3.6V to 20V Operation, 14-Bit Δ∑-ADC, Pin Compatible with LTC2944,
LTC2943-1, 8-Lead (3mm × 3mm) DFN Package
LTC2943-1 1A Multicell Battery Gas Gauge with Temperature,
V
oltage and Current Measurement
3.6V to 20V Operation, Internal Sense Resistor, 14-Bit Δ∑ ADC, Pin Compatible
with LTC2944 and LTC2943, 8-Lead (3mm × 3mm) DFN Package
LTC2941 I
2
C Battery Gas Gauge 2.7V to 5.5V Operation, 6-Lead (2mm × 3mm) DFN Package
LTC2941-1 1A I
2
C Battery Gas Gauge with Internal Sense
Resistor
2.7V to 5.5V Operation, 6-Lead (2mm × 3mm) DFN Package
LTC2942 I
2
C Battery Gas Gauge with Temperature, Voltage
Measurement
2.7V to 5.5V Operation, 14-Bit Δ∑-ADC, 6-Lead (2mm × 3mm) DFN Package
LTC2942-1 1A I
2
C Battery Gas Gauge with Internal Sense
Resistor and Temperature/Voltage Measurement
2.7V to 5.5V Operation, 14-Bit Δ∑-ADC, 6-Lead (2mm × 3mm) DFN Package
LTC4150 Coulomb Counter/Battery Gas Gauge 2.7V to 8.5V Operation, 10-Pin MSOP Package
Battery Chargers
LTC4000 High Voltage High Current Controller for Battery
Charging and Power Management
3V to 60V Operation, 28-Lead (4mm × 5mm) QFN or SSOP Packages
LTC4009 High Efficiency, Multi-Chemistry Battery Charger 6V to 28V Operation, 20-Lead (4mm × 4mm) QFN Package
LTC4012 High Efficiency, Multi-Chemistry Battery Charger
with PowerPath™ Control
6V to 28V Operation, 20-Lead (4mm × 4mm) QFN Package
LT
®
3652HV Power Tracking 2A Battery Charger Input Supply Voltage Regulation Loop for Peak Power Tracking, 5V to 34V Operation,
1MHz, 2A Charge Current, 3mm × 3mm DFN-12 and MSOP-12 Packages
1.13M
14.7k
47k
10k
1.15M
47nF
5mΩ
V
OUT
30.4V, 15A
33V TO 60V
Si7135DP
47k
CSN
CSP
BGATE
IGATE
BAT
OFB
FBG
BFB
NTC
CX
LTC4000
ITH CC IID
5mΩ
LT3845A
100µF
OUT
V
C
SHDN
IN
RST
CLN
IN
ENC
CHRG
F LT
VM
IIMON
IBMON
22.1k
TMR GND BIASCL
24.9k
1µF
3.0V
1.10M
100k
10nF
10nF
1µF0.1µF
Si7135DP
SENSE
+
ALCC
SDA
SCL
LTC2944
R2
2k
R1
2k
R3
2k
0.5A
LOAD
R
SENSE
100mΩ
30V
Li-ION
BATTERY
2944 TA02
SENSE
–
+
GND
C1
1µF
V
DD
3.3V
µP
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com/LTC2944
Battery Charger with Gas Gauge
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20

LTC2944CDD#PBF

Mfr. #:
Buy LTC2944CDD#PBF
Manufacturer:
Analog Devices / Linear Technology
Description:
Battery Management 60V Battery Gas Gauge with Voltage, Current & Temperature Measurement
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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