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Battery Fuel Gauge ICs:

184 Products Found

Farnell offers an exclusive range of fuel gauge ICs from leading manufacturers. These can be in the battery pack or the handheld device and integrate functions to monitor the battery voltage, current and temperature. They are used in portable devices, electric vehicles (EVs), industrial equipment, and IoT applications.

Battery Fuel Gauge ICs combine a small footprint with excellent measurement accuracy and extremely low power consumption to increase battery runtime and lifespan in mobile phones, multimedia players, digital cameras, and other space-constrained portable gadgets. They are essential for accurately measuring and reporting the state of charge (SoC) and state of health (SoH) of batteries in modern electronics. 

They can be placed in battery packs or handheld devices and integrate functions to monitor battery voltage, current, temperature, and other parameters. These specialized power management ICs ensure efficient battery utilization by providing precise data on remaining capacity, voltage, current, and temperature. 

Fuel gauge ICs improve battery life and safety by predicting battery behavior, preventing overcharging, and enabling smart power management. Selecting the right battery fuel gauge IC is vital for optimizing device performance and reducing operational risks. Whether for single-cell lithium-ion batteries or multi-cell configurations, these ICs support various chemistries and communication protocols such as I2C and SMBus.

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Manufacturer
Battery Management Function
Battery Type
Supply Voltage Min
Battery IC Case Style
Supply Voltage Max
IC Case / Package
IC Interface Type
No. of Pins
Interfaces
Operating Temperature Min
Operating Temperature Max
IC Mounting
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2517242

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
€6.800
10+
€5.250
25+
€4.860
100+
€4.440
250+
€4.240
More Pricing...
Min: 1 / Mult: 1
Fuel Gauge
Li-Ion, Li-Pol
2.5V
-
4.5V
TDFN
-
10Pins
Serial
-20°C
70°C
Surface Mount
-
2909805

RoHS

Date/Lot Code

Each
1+
€4.340
10+
€3.300
25+
€3.030
100+
€2.750
490+
€2.570
More Pricing...
Min: 1 / Mult: 1
Authentication, Fuel Gauge
Li-Ion
2.3V
-
4.9V
TDFN-EP
-
14Pins
I2C
-40°C
85°C
Surface Mount
-
2857995RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
€2.220
250+
€2.110
500+
€2.040
Min: 100 / Mult: 1
-
-
-
-
-
-
-
-
-
-
-
Surface Mount
-
3501539

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
€2.990
10+
€2.250
25+
€2.060
100+
€1.860
250+
€1.750
More Pricing...
Min: 1 / Mult: 1
Fuel Gauge
LiFePO4, Li-Ion
2.3V
-
4.9V
WLP
-
9Pins
I2C
-40°C
85°C
Surface Mount
-
3367817

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
€3.160
10+
€2.080
50+
€1.930
100+
€1.680
250+
€1.570
More Pricing...
Min: 1 / Mult: 1
Fuel Gauge
Li-Ion, Li-Pol
2.5V
-
5V
WLCSP
-
12Pins
I2C
-40°C
85°C
Surface Mount
-
3916736

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
€4.540
10+
€3.460
25+
€3.180
100+
€2.890
250+
€2.740
More Pricing...
Min: 1 / Mult: 1
Fuel Gauge
Li-Ion
2.3V
-
4.9V
TDFN-EP
-
14Pins
2 Wire, I2C, Serial
-40°C
85°C
Surface Mount
MAX17261 Series
3123821

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
€6.600
10+
€5.090
25+
€4.710
50+
€4.500
100+
€4.290
More Pricing...
Min: 1 / Mult: 1
Fuel Gauge, Protector
Li-Ion, Li-Pol
2.2V
-
26V
VQFN
-
32Pins
SMBus
-40°C
85°C
Surface Mount
-
2729127

RoHS

Date/Lot Code

Each
1+
€9.300
10+
€7.250
98+
€5.970
196+
€5.920
294+
€5.860
More Pricing...
Min: 1 / Mult: 1
Fuel Gauge
Li-Ion, Li-Pol
2.5V
-
4.5V
TSSOP
-
8Pins
2 Wire, Serial
-40°C
85°C
Surface Mount
-
2535467

RoHS

Date/Lot Code

Each
1+
€4.590
10+
€3.550
25+
€3.190
100+
€2.960
490+
€2.810
More Pricing...
Min: 1 / Mult: 1
Fuel Gauge
Li-Ion
2.3V
-
4.9V
TDFN
-
14Pins
I2C
-40°C
85°C
Surface Mount
-
2517242RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
10+
€5.250
25+
€4.860
100+
€4.440
250+
€4.240
500+
€4.110
Min: 10 / Mult: 1
Fuel Gauge
Li-Ion, Li-Pol
2.5V
-
4.5V
TDFN
-
10Pins
Serial
-20°C
70°C
Surface Mount
-
3385752RL

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
€1.520
250+
€1.430
500+
€1.390
1000+
€1.350
2500+
€1.320
Min: 100 / Mult: 1
Fuel Gauge
LiCoO2
2.45V
-
4.5V
SON
-
12Pins
I2C
-40°C
85°C
Surface Mount
-
3008750RL

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
100+
€1.460
250+
€1.380
500+
€1.330
1000+
€1.290
2500+
€1.260
Min: 100 / Mult: 1
Fuel Gauge
LiCoO2, Li-Ion
2.45V
-
4.5V
DSBGA
-
9Pins
I2C
-40°C
85°C
Surface Mount
-
3385752

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
€2.510
10+
€1.870
50+
€1.700
100+
€1.520
250+
€1.430
More Pricing...
Min: 1 / Mult: 1
Fuel Gauge
LiCoO2
2.45V
-
4.5V
SON
-
12Pins
I2C
-40°C
85°C
Surface Mount
-
3501909

RoHS

Date/Lot Code

Each
1+
€5.610
10+
€4.300
25+
€3.970
100+
€3.610
490+
€3.330
More Pricing...
Min: 1 / Mult: 1
Authentication, Fuel Gauge, Internal Self-Discharge Detection, Protector
Li-Ion, Li-Pol
4.2V
-
18V
TQFN
-
24Pins
I2C
-40°C
85°C
Surface Mount
-
3916717

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
€4.290
10+
€3.270
25+
€3.000
100+
€2.730
250+
€2.580
More Pricing...
Min: 1 / Mult: 1
Authentication, Fuel Gauge
Li-Ion
2.3V
-
4.9V
TDFN-EP
-
14Pins
I2C
-40°C
85°C
Surface Mount
MAX17201 Series
3926986

RoHS

Date/Lot Code

Each (Supplied in a Waffle Tray)
1+
€3.750
10+
€2.830
25+
€2.600
100+
€2.360
250+
€2.240
More Pricing...
Min: 1 / Mult: 1
Authentication, Fuel Gauge, Internal Self-Discharge Detection, Protector
Li-Ion, Li-Pol
2.3V
-
4.9V
TDFN-EP
-
14Pins
I2C
-40°C
85°C
Surface Mount
MAX17303 Series
2770312RL

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
€1.890
250+
€1.830
500+
€1.790
1000+
€1.760
Min: 100 / Mult: 1
Fuel Gauge
Li-Ion, Li-Pol
2.7V
-
4.35V
DFN
-
10Pins
I2C
-40°C
85°C
Surface Mount
-
3596289RL

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
€2.030
250+
€1.930
500+
€1.870
Min: 100 / Mult: 1
Fuel Gauge
LiFePO4, Li-Ion
2.3V
TDFN-EP
4.9V
TDFN-EP
I2C
14Pins
I2C
-40°C
85°C
Surface Mount
-
2517236

RoHS

Date/Lot Code

Each
1+
€10.870
10+
€8.520
60+
€7.500
120+
€7.210
300+
€6.910
More Pricing...
Min: 1 / Mult: 1
Authentication, Fuel Gauge, Protector
Li-Ion, Li-Pol
4V
-
9.2V
TDFN
-
14Pins
Serial
-20°C
70°C
Surface Mount
-
3404585RL

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
€3.300
250+
€3.140
500+
€3.040
Min: 100 / Mult: 1
Fuel Gauge, Identification, Status Monitor
Li-Ion
4.2V
TDFN-EP
20V
TDFN-EP
I2C
14Pins
I2C
-40°C
85°C
Surface Mount
-
3501539RL

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
€1.860
250+
€1.750
500+
€1.700
Min: 100 / Mult: 1
Fuel Gauge
LiFePO4, Li-Ion
2.3V
-
4.9V
WLP
-
9Pins
I2C
-40°C
85°C
Surface Mount
-
3581917

RoHS

Date/Lot Code

Each (Supplied on Full Reel)
Full Reel
2500+
€1.950
7500+
€1.910
Min: 2500 / Mult: 2500
Authentication, Fuel Gauge, Protector
Li-Ion, Li-Pol
2.3V
-
4.9V
WLP
-
15Pins
I2C
-40°C
85°C
Surface Mount
-
2535469

RoHS

Date/Lot Code

Each
1+
€4.320
10+
€3.450
25+
€3.170
100+
€2.700
Min: 1 / Mult: 1
Fuel Gauge, Identification, Status Monitor
Li-Ion
2.3V
-
4.9V
TDFN
-
14Pins
1 Wire
-40°C
85°C
Surface Mount
-
2519046

RoHS

Date/Lot Code

Each
1+
€10.600
10+
€8.300
96+
€6.870
192+
€6.810
288+
€6.750
More Pricing...
Min: 1 / Mult: 1
Fuel Gauge
Li-Ion, Li-Pol
2.5V
-
4.5V
TSSOP
-
14Pins
1 Wire, Serial
-25°C
70°C
Surface Mount
-
2517240

RoHS

Date/Lot Code

Each
1+
€5.070
10+
€3.600
25+
€3.440
100+
€3.270
300+
€3.120
More Pricing...
Min: 1 / Mult: 1
Fuel Gauge
Li-Ion, Li-Pol
2.5V
-
4.5V
TDFN
-
10Pins
Serial
-20°C
70°C
Surface Mount
-
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