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Battery Management ICs

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BQ20Z45DBT-R1
Texas Instruments
0V 4.5V 25V(Max) 25V Multi-Function Controller Undervoltage,short circuit,Over temperature,Overvoltage,Overcurrent Lithium ion batteries TSSOP-38 SMD mount 1.05mm(height)
Quantity: 15
Ship Date: 9-13 working days
15+
1+ $13.0526
25+ $12.5132
50+ $11.9738
100+ $11.7581
300+ $11.6502
500+ $11.5423
1000+ $11.2187
5000+ $11.2187
- +
x $13.0526
Ext. Price: $130.52
MOQ: 10
Mult: 1
SPQ: 1
LP3921SQE/NOPB
Texas Instruments
600mA 5.5V 3V 1.8V 5.5V I²C CDMA Phone Handsets Reverse current,Over temperature Lithium ion batteries QFN SMD mount,glue mount 750μm(height)
Quantity: 2290
In Stock
21+
10+ $1.2273
500+ $1.1871
2000+ $1.1569
5000+ $1.1267
- +
x $1.2273
Ext. Price: $12.27
MOQ: 10
Mult: 1
RT9468GQW
Richtek Technology
14V I²C Over temperature,Overvoltage,Overcurrent Lithium ion batteries SMD mount,glue mount
Quantity: 9000
In Stock
1500+ $0.9229
3000+ $0.9148
6000+ $0.8986
- +
x $0.9229
Ext. Price: $1384.35
MOQ: 1500
Mult: 1500
SPQ: 1500
ISL6256AHAZ
Renesas Electronics
7V 4.2V 25V short circuit,Over temperature,Overvoltage Lithium ion batteries QSOP SMD mount 1.5mm(height)
Quantity: 10000
Ship Date: 12-20 weeks
960+ $6.048
1920+ $5.832
2880+ $5.616
- +
x $6.048
Ext. Price: $5806.08
MOQ: 960
Mult: 960
SPQ: 960
BQ2004HPN
Rochester Electronics
5.5V Diversification PDIP-16 Through hole mounting
Quantity: 336
Ship Date: 7-12 working days
24+ $13.2704
- +
x $13.2704
Ext. Price: $318.48
MOQ: 24
Mult: 24
SPQ: 1
BQ27500YZGR-V130
Texas Instruments
2.4V 2.6V I²C Battery Monitor Over temperature Lithium ion batteries DSBGA-12 SMD mount,glue mount
Quantity: 61504
Ship Date: 9-13 working days
12+
25+ $4.64
50+ $4.44
100+ $4.36
300+ $4.32
500+ $4.28
1000+ $4.16
5000+ $4.16
- +
x $4.64
Ext. Price: $120.64
MOQ: 26
Mult: 1
SPQ: 1
ADM8696AN
Analog Devices
3V 5.5V PDIP-16 Through hole mounting 19.18mm*6.35mm*3.3mm
Quantity: 8278
Ship Date: 10-18 working days
1+ $4.2566
- +
x $4.2566
Ext. Price: $144.72
MOQ: 34
Mult: 1
SPQ: 1
S-19190BIH-M6T1U
ABLIC
Battery Balancer SOT-23-6 SMD mount,glue mount
Quantity: 2920
Ship Date: 6-13 working days
1+ $2.53
10+ $1.8745
25+ $1.639
100+ $1.4364
250+ $1.3608
500+ $1.2495
1000+ $1.155
3000+ $1.113
6000+ $1.092
- +
x $2.53
Ext. Price: $2.52
MOQ: 1
Mult: 1
SPQ: 1
BQ2023PWR
Texas Instruments
5mA(Max) 2.4V 5V SDQ Battery Monitor Lithium ion batteries TSSOP-8 SMD mount,glue mount 3mm*4.4mm*1.15mm
Quantity: 4353
Ship Date: 3-4 weeks
1000+ $8.5806
2000+ $8.4327
3000+ $8.2847
- +
x $8.5806
Ext. Price: $8580.60
MOQ: 1000
Mult: 1000
BQ2060SS-E411
Texas Instruments
2.7V 3.3V 3.7V SMBus Battery Monitor Diversification SSOP-28 SMD mount 10mm*4mm*1.5mm
Quantity: 4290
Ship Date: 3-4 weeks
1000+ $15.7251
2000+ $15.454
3000+ $15.1829
- +
x $15.7251
Ext. Price: $15725.10
MOQ: 1000
Mult: 1000
BQ296107DSGT
Texas Instruments
1mA -0.3V 20 V 1.8V,2.5V,3.3V 3 to 20 Battery Protection Overvoltage Lithium ion batteries WSON-8 SMD mount,glue mount 750μm(height)
Quantity: 119245
Ship Date: 3-4 weeks
1000+ $0.5462
2000+ $0.5367
3000+ $0.5273
- +
x $0.5462
Ext. Price: $1092.40
MOQ: 2000
Mult: 1000
BQ2003S
Texas Instruments
2A(Max) 0V 4.5V 5.5V 5.5V Diversification SOIC-16 SMD mount 2.35mm(height)
Quantity: 5001
Ship Date: 3-4 weeks
1000+ $4.5579
2000+ $4.4793
3000+ $4.4007
- +
x $4.5579
Ext. Price: $4557.89
MOQ: 1000
Mult: 1000
ISL95521AIRZ-T
Renesas Electronics
4.75V 25V I²C,SMBus Over temperature,Overcurrent Lithium ion batteries QFN-32 SMD mount,glue mount
Quantity: 10000
Ship Date: 12-20 weeks
6000+ $8.274
12000+ $7.9785
18000+ $7.683
- +
x $8.274
Ext. Price: $49644.00
MOQ: 6000
Mult: 6000
SPQ: 6000
BQ24080DRCR
Texas Instruments
1A(Max) 4.5V 4.2V 6.5V Lithium ion batteries SON SMD mount,glue mount 3mm*3mm*900μm
Quantity: 6490
Ship Date: 3-4 weeks
1000+ $0.7616
2000+ $0.7485
3000+ $0.7353
- +
x $0.7616
Ext. Price: $761.60
MOQ: 1000
Mult: 1000
MAX6427DHUR+T
Analog Devices
1.6V 5.5V Battery Monitor Diversification SOT-23-3 SMD mount 2.92mm*1.3mm*940μm
Quantity: 6996
Ship Date: 10-18 working days
1+ $2.047
- +
x $2.047
Ext. Price: $141.24
MOQ: 69
Mult: 1
SPQ: 1
LTC4041IUFD#PBF
Analog Devices
2.5A 2.7V 2.9V 5.4V(Max) 5.5V Power Management Overvoltage Diversification QFN-24 SMD mount
Quantity: 51
Ship Date: 3-4 weeks
38+ $10.0245
73+ $7.4494
146+ $6.9948
- +
x $10.0245
Ext. Price: $380.93
MOQ: 38
Mult: 1
BQ76PL455APFCT
Texas Instruments
5mA(Max) 12V 5.5V 79.2V UART Multi-Function Controller Undervoltage,Over temperature,Overvoltage QFP SMD mount,glue mount
Quantity: 500
In Stock
22+
1+ $9.9757
10+ $9.4814
30+ $9.2567
100+ $8.9871
- +
x $9.9757
Ext. Price: $9.97
MOQ: 1
Mult: 1
SPQ: 250
MCP73855-I/MF
Microchip Technology
400mA 4.5V 4.221V 5.5V Lithium ion batteries DFN-10 SMD mount 3mm*3mm*880μm
Quantity: 23
Ship Date: 6-13 working days
1+ $2.5645
25+ $2.035
120+ $1.944
- +
x $2.5645
Ext. Price: $2.56
MOQ: 1
Mult: 1
SPQ: 1
MAX795TESA+
Analog Devices
5.5V SOIC-8 SMD mount 5mm*4mm*1.5mm
Quantity: 190
Ship Date: 12-18 working days
10+ $20.8308
100+ $20.4777
500+ $20.1246
- +
x $20.8308
Ext. Price: $208.30
MOQ: 10
Mult: 1
MAX704TCSA+
Analog Devices
1V 5.5V SOIC-8 SMD mount 5mm*4mm*1.5mm
Quantity: 91
Ship Date: 3-4 weeks
24+ $16.0023
25+ $14.4585
100+ $12.992
- +
x $16.0023
Ext. Price: $384.05
MOQ: 24
Mult: 1
LTC6803IG-3#PBF
Analog Devices
4mA -0.3V 4V -300mV~5V 55V Serial Battery Monitor Undervoltage,Overvoltage Diversification SSOP-44 SMD mount 1.85mm(height)
Quantity: 85
Ship Date: 12-18 working days
10+ $26.3752
100+ $25.9282
500+ $25.4811
- +
x $26.3752
Ext. Price: $263.75
MOQ: 10
Mult: 1
R2J20053NS#W0
Renesas Electronics
Quantity: 4664
Ship Date: 9-13 working days
16+
1+ $8.5344
25+ $8.1817
50+ $7.829
100+ $7.688
300+ $7.6174
500+ $7.5469
1000+ $7.3353
5000+ $7.3353
- +
x $8.5344
Ext. Price: $128.01
MOQ: 15
Mult: 1
SPQ: 1
BQ24074RGTT
Texas Instruments
1.5A(Max) 4.35V 4.2V 10.2V USB Reverse current,short circuit,Over temperature,Overvoltage Lithium ion batteries QFN SMD mount,glue mount 3mm*3mm*900μm
Quantity: 19750
Ship Date: 5-7 working days
250+ $0.7641
750+ $0.7508
1250+ $0.7375
2500+ $0.7176
- +
x $0.7641
Ext. Price: $191.02
MOQ: 250
Mult: 250
SPQ: 250
MC33771BTB1AER2
NXP Semiconductors
9.6V 9.6 V to 61.6 V SPI Battery Cell Controller Undervoltage,Overvoltage Lithium ion batteries QFP-64 SMD mount,glue mount
Quantity: 1208
Ship Date: 9-13 working days
21+
1+ $5.7153
25+ $5.4791
50+ $5.243
100+ $5.1485
300+ $5.1013
500+ $5.054
1000+ $4.9123
5000+ $4.9123
- +
x $5.7153
Ext. Price: $125.73
MOQ: 22
Mult: 1
SPQ: 1
LTC4070EMS8E#TRPBF
Analog Devices
4.2V Lithium ion batteries MSOP-8 SMD mount 3mm*3mm*860μm
Quantity: 5000
Ship Date: 5-8 weeks
2500+ $5.1262
5000+ $4.9595
7500+ $4.8344
- +
x $5.1262
Ext. Price: $12815.50
MOQ: 2500
Mult: 2500
SPQ: 2500

Battery Management ICs

Battery Management ICs (BMICs) are specialized integrated circuits designed to manage and monitor the performance, safety, and longevity of battery packs, particularly in portable electronic devices and electric vehicles. They play a crucial role in ensuring the efficient and reliable operation of battery systems.

Definition:
BMICs are electronic devices that control the charging, discharging, and overall health of batteries. They are essential for maintaining the balance of cells within a battery pack, preventing overcharging, and managing the temperature to avoid damage or safety hazards.

Functions:
1. Charge Control: Regulates the charging process to prevent overcharging, which can damage the battery.
2. Discharge Control: Manages the discharge process to ensure the battery delivers power efficiently and safely.
3. Cell Balancing: Equalizes the voltage across multiple cells in a battery pack to prevent individual cells from being overcharged or discharged.
4. Temperature : Monitors the temperature of the battery to prevent overheating, which can lead to thermal runaway and potential fires.
5. State of Charge (SOC) Estimation: Estimates the remaining battery capacity to inform the user or system about the battery's status.
6. Safety Features: Implements safety mechanisms such as short-circuit protection, overvoltage protection, and undervoltage protection.

Applications:
BMICs are used in a wide range of applications, including:
- Portable electronics like smartphones, laptops, and tablets.
- Electric vehicles (EVs) and hybrid electric vehicles (HEVs).
- Renewable energy systems, such as solar and wind power storage.
- Uninterruptible power supply (UPS) systems.
- Medical devices that require reliable power sources.

Selection Criteria:
When choosing a Battery Management IC, consider the following factors:
1. Battery Chemistry Compatibility: Ensure the BMIC is compatible with the type of battery chemistry used (e.g., lithium-ion, nickel-metal hydride).
2. Voltage and Current Ratings: The BMIC should support the voltage and current requirements of the battery pack.
3. Protection Features: Look for comprehensive protection features to safeguard against various fault conditions.
4. Efficiency: A high-efficiency BMIC will minimize power loss and extend battery life.
5. Integration Level: Some BMICs offer more advanced features and integration, which can reduce the need for additional components.
6. Cost: The cost of the BMIC should be considered in relation to the performance and features it provides.
7. Reliability and Longevity: Choose a BMIC from a reputable manufacturer with a proven track record for reliability and longevity.

In summary, Battery Management ICs are indispensable for managing the complex requirements of modern battery systems, ensuring their safe, efficient, and reliable operation across various applications.
Please refer to the product rule book for details.