Li-Battery Protection
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Part No. |
Features |
Vcc(V) |
Series Cells |
Overcharge Detection Voltage(V) |
Overcharge Release Voltage(V) |
Over discharge Detection Voltage(V) |
Over discharge Release Voltage(V) |
Package |
---|---|---|---|---|---|---|---|---|
UB227 |
1-CELL LITHIUM-ION/POLYMER BATTERY PROTECTION IC * Wide Supply Voltage Range: VDD=1.5V~8.0V * Ultra-Low Quiescent Current: IOPE=3.0μA (VDD=3.9V) * Ultra-Low Power-Down Current: IPDN=0.1μA (VDD=2.0V) * Overcharge Detection Voltage: VCU=3.9V~4.4V * Overcharge Release Voltage: VCL=3.8V~4.4V * Over Discharge Release Voltage: VDL=2.0V~3.0V * Over Discharge Release Voltage: VDU=2.0V~3.4V * Discharge Over Current Detection Voltage: VDIOV=0.05V~0.30V * Discharge Short Circuit Detection Voltage: VSHORT=0.85V (Fixed) * Charge Over Current Voltage: VCIOV=-0.115V (Fixed) * Charger Detection Voltage: VCHA=-0.7V (Fixed) * Delay Times are Generated by an Internal Circuit. (External Capacitors are Unnecessary.) |
12.0 |
1 |
3.9~4.4 |
3.8~4.4 |
2.0~3.0 |
2.0~3.4 |
SOT-26 |
UB240 |
Li-Battery Protection IC 2nd Level Protection For 1 to 4 Cells Battery Pack. * High-accuracy voltage detection circuit for each cell * Overcharge detection voltage n (n=1 to 4): 4.05V to 4.50V (in 50mV steps) * Overcharge hysteresis voltage n (n=1 to 4): 0.25V±0.07V,0.30V±0.10V * Delay times for overcharge detection can be set by an external capacitor * CMOS output active “H” * Wide operating voltage range 3.6V to 24V * Wide operating temperature range −40°C to +85°C * Low current consumption: 1.5μA typ. (+25°C) at 3.5V for each cell |
4.0~25.0 |
4 |
4.05~4.5 |
- |
- |
- |
SOP-8 TSSOP-8 |
UB241 |
1-CELL ITHIUM-ION/POLYMER BATTERY PROTECTION IC * Wide Supply Voltage Range: VDD=1.5V~8.0V * Ultra-Low Quiescent Current: IOPE=3.0μA (VDD=3.5V) * Ultra-Low Power-Down Current: IPDN=0.2μA (VDD=1.5V) * Overcharge Detection Voltage: VCU=3.9V~4.4V * Overcharge Release Voltage: VCL=3.8V~4.4V * Over Discharge Release Voltage: VDL=2.0V~3.0V * Over Discharge Release Voltage: VDU=2.0V~3.4V * Over Current 1 Detection Voltage: VIOV1=0.05V~0.30V * Over Current 2 Detection Voltage: VIOV2=0.5V (Fixed) * Short Circuit Detection Voltage: VSHORT=-1.2V (Fixed, based on VDD) * Charger Detection Voltage: VCHA=-0.7V (Fixed) * Delay Times are Generated by an Internal Circuit. (External Capacitors are Unnecessary.) |
1.5~8.0 |
1 |
3.9~4.4 |
3.8~4.4 |
2.0~3.0 |
2.0~3.4 |
SOT-25 |
UB211C |
1-Cell Lithium-Ion/Polymer Battery Protection IC AA: VCU=4.2V、VCL=4.1V、VDL=2.8V、VDU=2.9V、VDIOV=0.15V AB: VCU=4.28V、VCL=4.13V、VDL=2.8V、VDU=3.1V、VDIOV=0.15V * Wide Supply Voltage Range: VDD=1.5V~8.0V * Ultra-Low Quiescent Current: IOPE=3.0μA (VDD=3.5V) * Ultra-Low Power-Down Current: IPDN=0.2μA (VDD=1.5V) * Overcharge Detection Voltage: VCU=3.9V~4.4V * Overcharge Release Voltage: VCL=3.8V~4.4V * Over Discharge Release Voltage: VDL=2.0V~3.0V * Over Discharge Release Voltage: VDU=2.0V~3.4V * Discharge Over Current Detection Voltage: VDOIV=0.05V~0.30V * Discharge Short Circuit Detection Voltage: VSHORT=0.5V (Fixed) * Charge Over Current Voltage: VCOIV=-0.1V (Fixed) * Charger Detection Voltage: VCHA=-0.7V (Fixed) * Delay Times are Generated by an Internal Circuit. (External Capacitors are Unnecessary.) |
1.5~8.0 |
1 |
3.9~4.4 |
3.8~4.4 |
2.0~3.0 |
2.0~3.4 |
SOT-25 |
UB242 |
Li-Battery Protection IC Protection For Single Cell Pack VCU=4.25V~4.325V、VDL=2.25V~2.50V * Wide supply voltage range: VDD=1.8V~6.5V * Ultra-low quiescent current: IDD=3.0μA (VDD=3.5V) * Ultra-low power-down current: IPD=0.2μA (VDD=2.0V) * Overcharge detection voltage: VOCU=4.200V~4.400V * Overcharge release voltage: VOCR=4.005V~4.225V * Over discharge detection voltage : VODL=2.15V~3.00V * Over discharge release voltage: VODR=2.32V~3.10V * Over current detection voltage: VOI1=0.10V~0.20V * Short circuit detection voltage: VOI2=1.35V (Fixed) * Charger detection voltage: VCH=-0.7V Reset resistance for over current protection: RSHORT>500kΩ * Delay times are generated by an internal circuit. (External capacitors are unnecessary.) |
1.8~6.5 |
1 |
4.2~4.4 |
4.005~4.225 |
2.15~3 |
2.32~3.1 |
SOT-26 |
UB2421 |
One Cell Lithium-ion/Polymer Battery Protection IC * Wide supply voltage range: VDD=1.8V~6.5V * Ultra-low quiescent current: IDD=3.0μA (VDD=3.5V) * Ultra-low power-down current: IPD=0.2μA (VDD=2.0V) * Overcharge detection voltage: VOCU=4.30V±0.05V * Overcharge release voltage: VOCR=4.10V±0.05V * Overdischarge release voltage: VODL=2.40V±0.10V * Overdischarge release voltage: VODR=3.00V±0.10V * Over current detection voltage: VOI1=0.15V±0.05V * Short circuit detection voltage: VOI2=1.35V (Fixed) * Charger detection voltage: VCH=-0.7V * Delay times are generated by an internal circuit. (External capacitors are unnecessary.) |
1.8~6.5 |
1 |
4.3 |
4.1 |
2.4 |
3.0 |
SOT-26 |
UB2422 |
One Cell Lithium-ion/Polymer Battery Protection IC * Wide Supply Voltage Range: VDD=1.8V~6.5V * Ultra-Low Quiescent Current: IDD=3.0μA (VDD=3.5V) * Ultra-Low Power-Down Current: IPD=0.2μA (VDD=2.0V) * Overcharge Detection Voltage: VOCU=3.9V~4.5V * Overcharge Release Voltage: VOCR=3.8V~4.5V * Over Discharge Release Voltage: VODL=2.0V~3.0V * Over Discharge Release Voltage: VODR=2.0V~3.0V * Over Current Detection Voltage: VOI1=0.10V~0.20V * Short Circuit Detection Voltage: VOI2=1.2V (Fixed) * Charger detection voltage: VCH=-0.7V (Fixed) * Delay Times are Generated by an Internal Circuit. (External Capacitors are Unnecessary.) |
1.8~6.5 |
1 |
3.9~4.5 |
3.8~4.5 |
2.0~3.0 |
2.0~3.0 |
SOT-26 |
UB3421 |
1-CELL LITHIUM-ION/POLYMER BATTERY PROTECTION IC * Wide Supply Voltage Range: VDD=1.8V~6.5V * Ultra-Low Quiescent Current: IOPE=3.0μA (VDD=3.5V) * Ultra-Low Power-Down Current: IPDN=0.2μA (VDD=2.0V) * Overcharge Detection Voltage: VCU=3.9V~4.4V * Overcharge Release Voltage: VCL=3.8V~4.4V * Over Discharge Release Voltage: VDL=2.0V~3.0V * Over Discharge Release Voltage: VDU=2.0V~3.4V * Over Current 1 Detection Voltage: VIOV1=0.10V~0.20V * Over Current 2 Detection Voltage: VIOV2=0.5V (Fixed) * Short Circuit Detection Voltage: VSHORT=1.2V (Fixed) * Charge overcurrent detection voltage: VCIP=-0.2V (Fixed) * Delay Times are Generated by an Internal Circuit. (External Capacitors are Unnecessary.) |
1.8~6.5 |
1 |
3.9~4.4 |
3.8~4.4 |
2.0~3.0 |
2.0~3.4 |
SOT-26 |
UB24205 |
Li-Battery Protection IC With Internal MOSFETs. Protection For Single Cell Pack VCU=4.25V、VDL=2.25V * Wide supply voltage range: VDD=1.8V~9.0V * Ultra-low quiescent current: IDD=3.0μA (VDD=3.9V) * Ultra-low power-down current: IPD=0.1μA (VDD=2.0V) * Overcharge detection voltage: VOCU=4.250V±0.050V * Overcharge release voltage: VOCR=4.055V±0.050V * Over discharge release voltage: VODL=2.250V±0.100V * Over discharge detection voltage: VODR=2.850V±0.100V * Over current detection voltage: VOI1= 0.150V±0.030V * Short circuit detection voltage: VOI2=1.35V (Fixed) * Charger detection voltage: VCH=-0.7V * Reset resistance for over current protection: RSHORT>500kΩ * No external MOSFETs * Delay times are generated by an internal circuit (External capacitors are unnecessary). * Halogen Free |
1.8~9.0 |
1 |
4.25 |
4.055 |
2.25 |
2.85 |
SOP-8 |
UB261 |
Battery Protection IC Protection For Single Cell Pack VCU=3.9V~4.4V、VDL=2.0V~3.0V * Wide Supply Voltage Range: VDD=1.5V~8.0V * Ultra-Low Quiescent Current: IOPE=3.0μA (VDD=3.5V) * Ultra-Low Power-Down Current: IPDN=0.2μA (VDD=1.5V) * Overcharge Detection Voltage: VCU=3.9V~4.4V * Overcharge Release Voltage: VCL=3.8V~4.4V * Over Discharge Release Voltage: VDL=2.0V~3.0V * Over Discharge Release Voltage: VDU=2.0V~3.4V * Over Current 1 Detection Voltage: VIOV1=0.05V~0.30V * Over Current 2 Detection Voltage: VIOV2=0.5V (Fixed) * Short Circuit Detection Voltage: VSHORT=1.2V (Fixed) * Charger Detection Voltage: VCHA=-0.7V (Fixed) * Delay Times are Generated by an Internal Circuit. (External Capacitors are Unnecessary.) |
1.5~8.0 |
1 |
3.9~4.4 |
3.8~4.4 |
2.0~3.0 |
2.0~3.4 |
SOT-26 |
UB262 |
Battery Protection IC Protection For Single Cell Pack VCU=4.25V~4.35V、VDL=2.9V~3.0V * High-accuracy voltage detection circuit Overcharge detection voltage: 4.250~4.350V, Accuracy: ±50Mv Overcharge release voltage: 4.050~4.150V, Accuracy: ±50mV Overdischarge detection voltage: 2.30~2.90V, Accuracy: ±100mV Overdischarge release voltage: 2.90~3.00V, Accuracy: ±100mV Discharge overcurrent detection voltage: 150mV, Accuracy: ±30mV Short-circuiting detection voltage: 0.85V (fixed), Accuracy: ±300mV * Delay times are generated by an internal circuit (external capacitors are unnecessary) Overcharge delay time: 100ms (typ.) Overdischarge delay time: 25ms (typ.) Discharg e overcurrent delay time: 10ms (typ.) Short circuit delay time: 500μs (typ.) * Low current consumption (Products with Power-down Function) Operation mode: 3.0μA typ., 6.0μA max. (VDD=3.9V) Ultra low power-down current: 0.1μA max. (VDD=2.0V) * High-withstanding-voltage device is used for charger connection pins (CS pin and OC pin: Absolute maximum rating=20V) * 0 V battery charge function “available” / “unavailable” are selectable. * Wide operating temperature range: -40°C~+85°C |
1.5~8.0 |
1 |
4.25~4.35 |
4.05~4.15 |
2.3~2.9 |
2.9~3.0 |
SOT-26 |
UB209A |
Li-Ion Battery Protection IC For Series Multi-Cell VCU=3.8V~4.25V * Settable delay time by external capacitor for output pin * High-accuracy voltage detection circuit * Two types of cell-balance function: charge/discharge * Control charging, discharging, cell-balance by CTLC, CTLD pins * Low current consumption: 8.0μA max * Wide range of operation temperature (-40°C ~ +85°C) |
1.5~8.0 |
1 |
3.8~4.3 |
3.5~4.2 |
2.0~3.0 |
2.4~3.3 |
TSSOP-8 SOP-8 |
UB209B |
Li-Ion Battery Protection IC For Series Multi-Cell VCU=3.8V~4.25V * Settable delay time by external capacitor for output pin * High-accuracy voltage detection circuit * Two types of cell-balance function: charge/discharge * Control charging, discharging, cell-balance by CTLC ,CTLD pins * Low current consumption: 8.0μA max * Wide range of operation temperature (-40°C~+85°C) |
1.5~8.0 |
1 |
3.8~4.25 |
3.5~4.1 |
2.0~3.0 |
2.4~3.3 |
TSSOP-8 SOP-8 |
UB244A |
Li-Ion Battery Protection IC For 1-Cell To 4-Cell Pack VCU=4.05V~4.5V * High-accuracy voltage detection circuit for each cell * Overcharge detection voltage n (n=1 to 4): 4.05V to 4.50V (in 50mV steps) * Overcharge hysteresis voltage n (n=1 to 4): 0.38V±0.10V, 0.25V±0.07V, 0.13V±0.04V, 0.045V±0.02V, None * Delay times for overcharge detection can be set by an external capacitor * CMOS output active “H” * Wide operating voltage range 3.6V to 24V * Wide operating temperature range −40°C to +85°C * Low current consumption: 1.5μA typ. (+25°C) at 3.5V for each cell |
3.6~24 |
4 |
4.05~4.5 |
- |
- |
- |
MSOP-8 |
UB264A |
Li-Ion Battery Protection IC For 2-Cell To 4-Cell Pack VCU=4.3V~4.5V * High-accuracy voltage detection circuit for each cell * Overcharge detection voltage n (n=1 to 4): 4.30V to 4.80V (in 50mV steps) * Overcharge hysteresis voltage n (n=1 to 4): -0.52V±0.21V ,−0.39V±0.16V, −0.26V±0.11V, −0.13V±0.06V, None * Delay times for overcharge detection can be set by an internal circuit without external capacitors * Output control function via CTL pin * CMOS output active “H” * Wide operating voltage range 3.6V to 24V * Wide operating temperature range −40°C ~ +85°C * Low current consumption: 2.5μA typ. (+25°C) at 3.5V for each cell |
3.6~24 |
4 |
4.3~4.8 |
- |
- |
- |
TSSOP-8 |
UB264B |
Li-Ion Battery Protection IC For 2-Cell To 4-Cell Pack VCU=4.3V~4.5V * High-accuracy voltage detection circuit for each cell * Overcharge detection voltage n (n=1 to 4): 4.30V to 4.80V (in 50mV steps) * Overcharge hysteresis voltage n (n=1 to 4): -0.52V±0.21V ,−0.39V±0.16V, −0.26V±0.11V, −0.13V±0.06V, None * Delay times for overcharge detection can be set by an internal circuit without external capacitors * Output latch function after overcharge detection * CMOS output active “H” * Wide operating voltage range 3.6V to 24V * Wide operating temperature range −40°C to +85°C * Low current consumption: 2.5μA typ. (+25°C) at 3.5V for each cell |
3.6~24 |
4 |
4.3~4.8 |
- |
- |
- |
TSSOP-8 |
UB280 |
1-CELL LITHIUM-ION/POLYMER BATTERY PROTECTION IC * Wide Supply Voltage Range: VDD=1.5V~10V * Ultra-Low Quiescent Current: IOPE=3.0μA (VDD=3.9V) * Ultra-Low Power-Down Current: IPDN=0.2μA (VDD=2.0V) * Overcharge Detection Voltage: VDET1=4.05V~4.35V * Overcharge Release Voltage: VREL1=3.8V~4.25V * Over Discharge Detection Voltage: VDET2=2.2V~3.1V * Over Discharge Release Voltage: VREL2=2.3V~3.3V * Discharge Over Current Detection Voltage: VDET3=0.07V~0.23V * Discharge Short Circuit Detection Voltage: VSHORT=0.9V * Over Voltage Charger Detection Voltage: VCHG1=8.0V * Charger Detection Voltage: VCHA=-0.7V * Delay Times are Generated by an Internal Circuit. (External Capacitors are Unnecessary.) |
1.5~10.0 |
1 |
4.05~4.35 |
3.8~4.25 |
2.2~3.1 |
2.3~3.3 |
SOT-26 |
UB291 |
1-CELL LITHIUM-ION/POLYMER BATTERY PROTECTION IC * Wide Supply Voltage Range: VDD=1.5V~10V * Ultra-Low Quiescent Current: IOPE=3.0μA (VDD=3.9V) * Ultra-Low Power-Down Current: IPDN=0.2μA (VDD=2.0V) * Overcharge Detection Voltage: VDET1=4.05V~4.35V * Overcharge Release Voltage: VREL1=3.8V~4.25V * Over Discharge Detection Voltage: VDET2=2.2V~3.1V * Over Discharge Release Voltage: VREL2=2.3V~3.3V * Discharge Over Current Detection Voltage: VDET3=0.07V~0.23V * Discharge Short Circuit Detection Voltage: VSHORT=0.5V * Charge Over Current Voltage: VDET4=-0.1V * Charger Detection Voltage: VCHA=-0.7V * Delay Times are Generated by an Internal Circuit. (External Capacitors are Unnecessary.) |
1.5~10.0 |
1 |
4.05~4.35 |
3.8~4.25 |
2.2~3.1 |
2.3~3.3 |
SOT-26 |
UCM101 |
Bidirectional Precision High-Side Current Monitor * Low operating current * High side voltage (2.7~20V) * A fixed gain of 10 * High accuracy (typ=1%) |
2.7~20.0 |
- |
- |
- |
- |
- |
SOT-25 |
UCM102 |
High-Side Current Monitor * Low operating current * High side voltage (2.5~20V) * High accuracy (typ=1%) |
2.5~20.0 |
- |
- |
- |
- |
- |
SOT-23-3 |
UB3860 |
BATTERY VOLTAGE AND CURRENT PROTECTION IC * Voltage detection and release Overcharge Detection Voltage Overcharge Release Voltage Overdischarge Detection Voltage Overdischarge Release Voltage * Current detection and release Discharge Overcurrent Detection Voltage Charge Overcurrent Detection Voltage Load Short-Circuit Detection Voltage * 0V Battery Charge Inhibition Battery Voltage * Operation Modes Normal Mode 2.5uA (Typ.) 4.0uA (Max.) Standby Mode 1.0uA (Typ.) 1.5uA (Max.) Power Down Mode 0.1uA (Max.) |
1.5~5.5 |
1 |
4.475 |
4.275 |
2.5 |
2.9 |
DFN1616-6 |