Renesas' highly versatile battery charger ICs support devices with rechargeable 2, 3 or 4-cell batteries and include configurations such as a hybrid power boost (HPB), narrow output voltage DC (NVDC), buck-boost NVDC, and SMBus Level 2.

Power & Power Management

Product Selection Table

    Processing table
    Part Number
    Input Voltage (Min) (V)
    Input Voltage (Max) (V)
    Input Current Limit Accuracy (% (±))
    Battery Charge Voltage
    Charging Voltage Accuracy (Max) (±%)
    Battery Charge Voltage Adjustment
    Charge Current Limit Accuracy
    Trickle Charge Current Limit/Accuracy
    Automatic Trickle Charge (Typical)
    Battery Leakage Current (Max)
    Automatic Power Source Selection
    DC Adapter Detection
    Topology [Rail 1]
    Switching Frequency Range (Typical) (kHz)
    Duty Cycle (%)
    Battery Chemistry
    Input Voltage Range (V)
    Qualification Level
    Lead Count (#)
    Pkg. Type
    ISL6255
    Highly Integrated Battery Charger with Automatic Power Source Selector for Notebook Computers    		 7 25 3 3S, 4.2/Cell (2S, 4S) 0.5 ±5/Cell ±5 (CHLIM=2.0V) ±50 (CHLIM=0.2V) No (Set by Host) 10μA (DCIN=0V, No System Load) Yes Yes Fixed Frequency Synchronous Buck 300 99.9 Multi-Cell Li+/Polymer 7 - 25 Standard 28 QSOP
    ISL6256
    Highly Integrated Battery Charger with Automatic Power Source Selector for Notebook Computers    		 7 25 3 3S, 4.2/Cell (2S, 4S) 0.5 ±5/Cell ±3 (CHLIM=2.0V) ±25 (CHLIM=0.2V) No (Set by Host) 10μA (DCIN=0V, No System Load) Yes Yes Fixed Frequency Synchronous Buck 300 99.6 Multi-Cell Li+/Polymer 7 - 25 Standard 28 QFN, QSOP
    ISL6256A
    Highly Integrated Battery Charger with Automatic Power Source Selector for Notebook Computers    		 7 25 3 3S, 4.2/Cell (2S, 4S) 0.5 ±5/Cell ±3 (CHLIM=2.0V) ±25 (CHLIM=0.2V) No (Set by Host) 10μA (DCIN=0V, No System Load) Yes Yes Fixed Frequency Synchronous Buck 300 99.6 Multi-Cell Li+/Polymer 7 - 25 Standard 28 QSOP
    ISL88731A
    SMBus Level 2 Battery Charger    		 7 25 3 2.7 to 19.2 in 16mV Steps 0.5 16mV steps ±3 64mA to 220mA 2.7 2μA (DCIN=0V, No System Load) No (Set by Host) No (Set by Host) Fixed Frequency Synchronous Buck 400 99.9 Multi-Cell Li+/Polymer 7 - 25 Standard 28 TQFN
    ISL88732
    SMBus Level 2 Battery Charger with Boost Mode    		 8 22 3 1.024 to 19.2 in 16mV Steps 0.5 16mV steps ±3 64mA to 220mA 2.7 2μA (DCIN=0V, No System Load) No (Set by Host) No (Set by Host) Fixed Frequency Synchronous Buck 400 99.6 Multi-Cell Li+/Polymer 8 - 22 Standard 28 TQFN
    ISL88739
    Hybrid Power Boost (HPB) and Narrow VDC (NVDC) Combo Battery Charger With SMBus Interface    		 8 22 3 1.024 to 19.2 in 16mV Steps 0.5 16mV steps ±3 64mA to 220mA 2.7 2μA (DCIN=0V, No System Load) No (Set by Host) No (Set by Host) Fixed Frequency Synchronous Buck 400 99.6 Multi-Cell Li+/Polymer 8 - 22 Standard 32 QFN
    ISL88739A
    Hybrid Power Boost (HPB) and Narrow VDC (NVDC) Combo Battery Charger with SMBus Interface    		 8 22 3 1.024 to 19.2 in 16mV Steps 0.5 16mV steps ±3 64mA to 220mA 2.7 2μA (DCIN=0V, No System Load) No (Set by Host) No (Set by Host) Fixed Frequency Synchronous Buck 400 99.6 Multi-Cell Li+/Polymer 8 - 22 Standard 32 QFN
    ISL88739B
    Hybrid Power Boost (HPB) Battery Charger with SMBus Interface    		 8 22 3 1.024 to 19.2 in 16mV Steps 0.5 16mV steps ±3 64mA to 220mA 2.7 2μA (DCIN=0V, No System Load) No (Set by Host) No (Set by Host) Fixed Frequency Synchronous Buck 400 99.6 Multi-Cell Li+/Polymer 8 - 22 Standard 32 QFN
    ISL88750
    Narrow VDC (NVDC) Battery Charger with SMBus Interface    		 8 22 3 1.024 to 19.2 in 16mV Steps 0.5 16mV steps ±3 64mA to 220mA 2.7 2μA (DCIN=0V, No System Load) No (Set by Host) No (Set by Host) Fixed Frequency Synchronous Buck 400 99.6 Multi-Cell Li+/Polymer 8 - 22 Standard 32 QFN
    ISL9237
    Buck-Boost Narrow VDC Battery Charger with SMBus Interface and USB OTG    		 3.2 23.4 2.4 to 13.824 0.5 8mV steps ±3 64mA, 128mA, 256mA, or 512mA Yes Yes R3 modulator 733 - 1000 100 Multi-Cell Li+/Polymer 3.2 - 23.4 Standard 32 QFN
    ISL9238
    Buck-Boost Narrow VDC Battery Charger with SMBus Interface and USB OTG    		 3.2 23.4 2.4 to 18.304 0.5 8mV steps ±3 64mA, 128mA, 256mA, or 512mA Yes Yes R3 modulator 733 - 1000 100 Multi-Cell Li+/Polymer 3.2 - 23.4 Standard 32 TQFN
    ISL9238B
    Buck-Boost Narrow VDC Battery Charger with SMBus Interface and USB OTG    		 3.2 23.4 2.4 to 18.304 0.5 8mV steps ±3 64mA, 128mA, 256mA, or 512mA Yes Yes R3 modulator 733 - 1000 100 Multi-Cell Li+/Polymer 3.2 - 23.4 Standard 32 TQFN
    ISL9238C
    Buck-Boost Narrow VDC Battery Charger with SMBus Interface and USB OTG    		 3.2 23.4 2.4 to 18.304 0.5 8mV steps ±3 64mA, 128mA, 256mA, or 512mA Yes Yes R3 modulator 733 - 1000 100 Multi-Cell Li+/Polymer 3.2 - 23.4 Standard 32 TQFN
    ISL9241
    Buck-Boost Configurable Battery Charger with SMBus Interface and USB Power Delivery    		 3.9 23.4 3.9 to 18.304 0.5 8mV steps ±3 64mA, 96mA, 128mA, 160mA, 192mA, 224mA, or 256mA Yes Yes R3 modulator 600 - 1420 100 Multi-Cell Li+/Polymer 3.9 - 23.4 Standard 32 TQFN
    ISL9519
    Narrow VDC Regulator/Charger with SMBus Interface    		 4.5 22 3 2V to 16.3V in 16mV Steps 0.5 16mV steps ±3 166A to 346mA 4.7 25μA (DCIN=0V, No System Load) Yes Yes Variable Frequency Synchronous Buck 400 99 Multi-Cell Li+/Polymer 4.5 - 22 Standard 28 TQFN
    ISL95338
    Bidirectional Buck-Boost Voltage Regulator    		 3.8 24 up to 20V 12mV steps Voltage sensing Buck-Boost 620 100 3.8 - 24 Standard 32 TQFN
    ISL9538B
    Buck-Boost Narrow VDC Battery Charger with SMBus Interface    		 3.2 23.4 2.4 to 18.304 0.5 8mV steps ±3 64mA, 128mA, 256mA, or 512mA Yes Yes R3 modulator 733 - 1000 100 Multi-Cell Li+/Polymer 3.2 - 23.4 Standard 32 TQFN
    ISL9538C
    Buck-Boost Narrow VDC Battery Charger with SMBus Interface    		 0.5 32 TQFN
    ISL95520
    SMBus Interface Hybrid Power Boost (HPB) and Narrow VDC (NVDC) Configurations Combo Battery Charger    		 4.75 25 2 2-4 cell battery, 16mV step 0.75 16mV steps ±2 128mA or 64mA, 256mA Set by user 245uA Yes Yes R3 modulator 350 - 1000 Multi-Cell Li+/Polymer 4.75 - 25 Standard 32 QFN
    ISL95521
    Hybrid Power Boost and Narrow VDC Configurations Combination Battery Charger with SMBus Interface    		 4.75 25 2 2-4 cell battery, 16mV step 0.75 16mV steps ±2 128mA or 64mA, 256mA Set by user 245uA Yes Yes R3 modulator 350 - 1000 Multi-Cell Li+/Polymer 4.75 - 25 Standard 32 QFN
    ISL95521A
    Hybrid Power Boost (HPB) and Narrow VDC (NVDC) Combo Battery Charger with SMBus Interface    		 4.75 25 2 2-4 cell battery, 16mV step 0.75 16mV steps ±2 128mA or 64mA, 256mA Set by user 245uA Yes Yes R3 modulator 350 - 1000 Multi-Cell Li+/Polymer 4.75 - 25 Standard 32 QFN
    ISL95521B
    Hybrid Power Boost (HPB) and Narrow VDC (NVDC) Combo Battery Charger with SMBus Interface    		 4.75 25 2 2-4 cell battery, 16mV step 0.75 16mV steps ±2 128mA or 64mA, 256mA Set by user 245uA Yes Yes R3 modulator 350 - 1000 Multi-Cell Li+/Polymer 4.75 - 25 Standard 32 QFN
    ISL95522
    Hybrid Power Boost (HPB) and Narrow VDC (NVDC) Combo Battery Charger with SMBus Interface    		 4.75 25 2 2-4 cell battery, 16mV step 0.75 16mV steps ±2 128mA or 64mA, 256mA Set by user 245 µA Yes Yes 350 - 1000 Multi-Cell Li+/Polymer 4.75 - 25 Standard 32 QFN
    ISL95522A
    Hybrid Power Boost (HPB) and Narrow VDC (NVDC) Combo Battery Charger with SMBus Interface    		 4.75 25 2 2-4 cell battery, 16mV step 0.75 16mV steps ±2 128mA or 64mA, 256mA Set by user 245 µA Yes Yes 350 - 1000 Multi-Cell Li+/Polymer 4.75 - 25 Standard 32 QFN
    ISL95538B
    Buck-Boost Narrow VDC Battery Charger for Power Bank Application with SMBus Interface and USB OTG    		 3.2 23.4 3 to 18.304 0.5 8mV steps ±2 64mA, 128mA, 256mA, or 512mA Yes Yes R3 modulator 733 - 1000 100 Multi-Cell Li+/Polymer 3.2 - 23.4 Standard 32 TQFN
    RAA489000
    Buck-Boost Configurable Battery Charger with USB Power Delivery and USB Type-C® Port Controller Interface (TCPCI)    		 3.9 23.4 3.9 to 18.304, 3.9 to 18.305, 3.9 to 18.306, 3.9 to 18.307 8mV steps ±3 64mA, 96mA, 128mA, 160mA, 192mA, 224mA, or 256mA Set by user Yes No (Set by Host) R3 modulator 600 - 1420 100 Multi-Cell Li+/Polymer 3.9 - 23.4 Standard 40 QFN
    RAA489108
    Buck-Boost Narrow VDC Battery Charger with SMBus Interface Supporting USB PD EPR    		 3.9 30 2-4 cell battery 0.5 8mV steps 64mA, 128mA, 256mA, or 512mA Yes Yes Buck-Boost 635 - 1000 Multi-Cell Li+/Polymer 3.9 - 30 32 TQFN
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