R5650 Series
3-Cell to 5-Cell Li-ion Battery Protection IC with Thermal Protection

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  • Description

    The R5650 is an overcharge and discharge protection IC for 3- to 5- series cell Li-ion / Li-polymer rechargeable battery pack, further includes a short-circuit and protection circuits for charge / discharge overcurrent. The R5650 supports 3 to 5 cells connected in series, forcing a certain voltage on SEL1 and SEL2 pins can select any number of cells.

  • Spec
    Operating Input Voltage 4.0 V to 25.0 V (Absolute Maximum Rating 30 V)
    Number of Cells 3,4,5
    Supply Current Typ. 12.0 µA
    Standby Current Typ. 5.0 µA
    Overcharge Detection Voltage 3.6 V to 4.5 V (0.005 V Steps)
    Overcharge Detection Voltage Accuracy ±25 mV
    Overcharge Detection Delay Time 1.0 s
    Overcharge Restoration Voltage VDET1 -0.4 V to VDET1 -0.1 V (0.05 V Steps)
    Overdischarge Detection Voltage 2.0 V to 3.2 V (0.005 V Steps)
    Overdischarge Detection Voltage Accuracy ±50 mV
    Overdischarge Detection Delay Time Adjustable with an external capacitor
    Discharge Overcurrent Detection Voltage VDET3-1: 0.03 V to 0.10 V (0.01 V Steps)
    VDET3-2: 2 X VDET3-1, 2.5 X VDET3-1, 3 X VDET3-1
    Discharge Overcurrent Detection Voltage Accuracy VDET3-1: ±5 mV (0.03 V to 0.05 V), ±10% (0.05 V to 0.10 V)
    VDET3-2: ±12.5 mV (0.06 V to 0.10 V), ±12.5% (0.10 V to 0.30 V)
    Discharge Overcurrent Detection Delay Time Adjustable with an external capacitor
    Charge Overcurrent Detection Voltage -0.050 V to -0.015 V (0.005 V Steps)
    Charge Overcurrent Detection Voltage Accuracy ±20% (-0.050 V to -0.030 V)
    ±5 mV (-0.025 V to -0.015 V)
    or Disable
    Charge Overcurrent Detection Delay Time R5650TxxxAx: 256 ms
    R5650TxxxBx: 8 ms
    Short Detection Voltage 0.1 V to 0.6 V (0.02 V Steps)
    Short Detection Delay Time 500 µs
    Conditions for Overcharge Restoration Voltage Release
    Conditions for Overdischarge Restoration Voltage Release
    Package TSSOP-20
    0 V Charge Available / Unavailable

    Protections / Functions

    Temperature Protection Reset Alarm Cell Balance Cascadable Open Wire Detection Wakeup Short-circuit Current Detection Delay Time Shortening
  • Technical
    • Typical Application: 5-cell Protection Battery Charger

      Typical Application: 5-cell Protection Battery Charger

  • Quality &
    • Refer to the datasheets for the details on the product.
    • The package file or the datasheet includes package dimensions, taping specifications, taping reels dimensions, power dissipations, and recommended land pattern.

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Functional Description

Temperature Protection Temperature Protection
Reset Reset Function
Alarm Alarm Function
Cell Balance Cell Balance Function
Cascadable Cascade Connect Function
Open Wire Detection Open Wire Detect Function
Wakeup Wakeup Function
Short-circuit Current Detection Short-circuit Current Protection
Delay Time Shorting Output Delay Time Short Function

For more details, please refer to "Protecting Li-ion Batteries: Functions and Advantages".

Search for similar products under conditions below.

Category:Lithium-ion Battery Protection ICs

Features Battery Protection
Cell 3,4,5
Functions Temperature Protection,Short-circuit Current Detection,Delay Time Shortening
PLP Applicable