LTC2946
42
2946fa
For more information www.linear.com/LTC2946
LINEAR TECHNOLOGY CORPORATION 2014
LT 0315 REV A • PRINTED IN USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com/LTC2946
TYPICAL APPLICATION
RELATED PARTS
PART NUMBER DESCRIPTION COMMENTS
LT
®
2940 Power and Current Monitor 4-Quadrant Multiplication, ±5% Power Accuracy, 4V to 80V Operation
LTC2941 I
2
C Battery Gas Gauge 2.7V to 5.5V Operation, 1% Charge Accuracy
LTC2942 I
2
C Battery Gas Gauge 2.7V to 5.5V Operation, 1% Charge, Voltage and Temperature
LTC2943 High Voltage Battery Gas Gauge 3.6V to 20V Operation, 1% Charge, Voltage, Current and Temperature
LTC2945 Wide Range I
2
C Power Monitor 0V to 80V Operation, 12-Bit ADC with ±0.75% TUE
LTC2990 Quad I
2
C Temperature, Voltage and Current Monitor 3V to 5.5V Operation, 14-Bit ADC
LTC4150 Coulomb Counter/Battery Gas Gauge 2.7V to 8.5V Operation, Voltage-to-Frequency Converter
LTC4151 High Voltage I
2
C Current and Voltage Monitor 7V to 80V Operation, 12-Bit Resolution with ±1.25% TUE
LTC4215 Single Channel, Hot Swap™ Controller with I
2
C Monitoring 8-Bit ADC, Adjustable Current Limit and Inrush, 2.9V to 15V Operation
LTC4222 Dual Channel, Hot Swap Controller with I
2
C Monitoring 10-Bit ADC, Adjustable Current Limit and Inrush, 2.9V to 29V Operation
LTC4260 Positive High Voltage Hot Swap Controller with I
2
C Monitoring 8-Bit ADC, Adjustable Current Limit and Inrush, 8.5V to 80V Operation
LTC4261 Negative High Voltage Hot Swap Controller with I
2
C Monitoring 10-Bit ADC, Floating Topology, Adjustable Inrush
Rail-to-Rail Power, Charge and Energy Monitor
2.7V TO 5.8V
C2
0.1µF
C3
33pF
X1 X1: ABLS-4.000MHz-B2-T
V
IN
0V TO 100V
R
SNS
0.02Ω
V
OUT
V
ADIN
GP OUTPUT
R1
2k
R2
2k
R3
2k
3.3V
V
DD
SCL
SDA
INT
GND
ADR0
SCL
V
DD
INTV
CC
SDAI
SDAO
GPIO1
ALERT
ADR1
SENSE
+
ACCUMULATE
SENSE
–
LTC2946
µP
GPIO3
CLKOUT
GND
GPIO2
R4
2k
3.3V
CLKIN
2946 TA02
ADIN
C4
33pF
