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UB264B Dataheets PDF



Part Number UB264B
Manufacturers UTC
Logo UTC
Description LION BATTERY PROTECTION IC
Datasheet UB264B DatasheetUB264B Datasheet (PDF)

UNISONIC TECHNOLOGIES CO., LTD UB264B Preliminary CMOS IC LION BATTERY PROTECTION IC FOR 2-SERIAL, 3-SERIAL, OR 4-SERIAL-CELL PACK (SECONDARY PROTECTION) „ DESCRIPTION The UTC UB264B Series is secondary protection IC for 2-, 3-, or 4-Cell lithium-ion rechargeable battery packs, and incorporates a high-accuracy voltage detection circuit. The UTC UB264B Series also includes a high accuracy delay circuit for over voltage detection time without external capacitors. „ * * * * * * * * * FEATURES H.

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UNISONIC TECHNOLOGIES CO., LTD UB264B Preliminary CMOS IC LION BATTERY PROTECTION IC FOR 2-SERIAL, 3-SERIAL, OR 4-SERIAL-CELL PACK (SECONDARY PROTECTION) „ DESCRIPTION The UTC UB264B Series is secondary protection IC for 2-, 3-, or 4-Cell lithium-ion rechargeable battery packs, and incorporates a high-accuracy voltage detection circuit. The UTC UB264B Series also includes a high accuracy delay circuit for over voltage detection time without external capacitors. „ * * * * * * * * * FEATURES 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 „ ORDERING INFORMATION Ordering Number Lead Free Halogen Free UB264BL-P08-R UB264BG-P08-R xx: SERIAL CODE, refer SERIAL CODE LIST. Package TSSOP-8 Packing Tape Reel Note: www.unisonic.com.tw Copyright © 2012 Unisonic Technologies Co., Ltd 1 of 10 QW-R502-833.A Free Datasheet http://www.Datasheet4U.com UB264B „ PIN CONFIGURATION Preliminary CMOS IC „ PIN DESCRIPTION PIN NAME VDD SENSE VC1 VC2 VC3 VSS CTL CO DESCRIPTION Positive power input pin Positive voltage connection pin of battery 1 Negative voltage connection pin of battery 1 Positive voltage connection pin of battery 2 Negative voltage connection pin of battery 2 Positive voltage connection pin of battery 3 Negative voltage connection pin of battery 3 Positive voltage connection pin of battery 4 Negative power input pin Negative voltage connection pin of battery 4 Overcharge detection latch reset pin FET gate connection pin for charge PIN NO. 1 2 3 4 5 6 7 8 „ SERIAL CODE LIST OVERCHARGE DETECTION VOLTAGE [VCU](V) 4.45±0.050 4.35±0.050 4.50±0.050 4.35±0.050 4.30±0.050 4.45±0.050 4.30±0.050 4.40±0.050 OVERCHARGE HYSTERSIS VOLTAGE [VHC](V) -0.39±0.16 -0.39±0.16 -0.39±0.16 -0.39±0.16 -0.39±0.16 -0.39±0.16 -0.39±0.16 -0.39±0.16 OVERCHARGE DETECTION DELAY TIME [tCU](S) 4.0±1.0 4.0±1.0 4.0±1.0 2.0±0.5 4.0±1.0 2.0±0.5 2.0±0.5 4.0±1.0 OVERCHARGE RELEASE DELAY TIME [tCL](mS) 60.0±20.0 60.0±20.0 60.0±20.0 30.0±10.0 60.0±20.0 30.0±10.0 30.0±10.0 60.0±20.0 MODEL CODE OUTPUT FORM CMOS output active “H” CMOS output active “H” CMOS output active “H” CMOS output active “H” CMOS output active “H” CMOS output active “H” CMOS output active “H” CMOS output active “H” 2 of 10 QW-R502-833.A AA AB AC AD UB264B AE AF AG AH UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw Free Datasheet http://www.Datasheet4U.com UB264B „ BLOCK DIAGRAM SENSE Preliminary CMOS IC Oscillator Overcharge Detector 1 VDD VC1 VC2 Overcharge Detector 2 Divider CO VC3 Overcharge Detector 3 Control Logic Overcharge Detector 4 CTL VSS UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 3 of 10 QW-R502-833.A Free Datasheet http://www.Datasheet4U.com UB264B „ Preliminary CMOS IC ABSOLUTE MAXIMUM RATING (TA=25°C, unless otherwise specified) PARAMETER SYMBOL RATINGS UNIT Input Voltage Between VDD And VSS VDS VSS −0.3 ~ VSS+26 V Input Pin Voltage VIN VSS −0.3 ~ VDD+0.3 V CO Output Pin Voltage VCO VSS −0.3 ~ VDD+0.3 V Power Dissipation (Note 2) PD 650 mW Operation Ambient Temperature Topr −40 ~ +85 °C Storage Temperature Tstg −40 ~ +125 °C Notes: 1. Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. 2. When mounted on printed circuit board „ ELECTRICAL CHARACTERISTICS (TA=25°C, unless otherwise specified) MIN VCUn− 0.050 TYP VCUn VHCn 3.0 1.5 40 20 10 5 40 20 4.0 2.0 60 30 15 7.5 60 30 5.0 2.5 80 40 20 10 80 40 3.0 24 MAX VCUn+ 0.050 UNIT V V PARAMETER SYMBOL TEST CONDITIONS DETECTION VOLTAGE Overcharge Detection Voltage VCUn 4.30 ~ 4.80 V, adjustable n (n = 1, 2, 3, 4) VHCn=−0.52 ±0.21V, −0.39 ±0.16V, Overcharge Hysteresis VHCn Voltage n (n = 1, 2, 3, 4) −0.26 ±0.11V, −0.13 ±0.06V, None DELAY TIME Overcharge Detection Delay tCU Time For AD, AF and AG products Overcharge Release Delay tCL Time For AD, AF and AG products Overcharge Timer Reset tTR Delay Time For AD, AF and AG products Transition Time To Test tTST Mode(Note1) For AD, AF and AG products CTL Pin Response Time tCTL INPUT VOLTAGE Operating Voltage Between VDSOP VDD And VSS CTL Input “H” Voltage CTL Input “L” Voltage VCTLH VCTLL s ms ms ms ms V V 3.6 VDD× 0.95 VDD× 0.4 2.5 2.0 -0.5 -0.5 -0.5 1.0 -0.1 0.4 20 1.5 0 0 0 1.5 10 10 6.0 0.5 0.5 0.5 2.0 V INPUT CURRENT Current Consumption During IOPE V1=V2=V3=V4=3.5V Operation Current Consumption During IOPED V1=V2=V3=V4=2.3V Overdischarge SENSE Pin Current ISENSE V1=V2=V3=V4=3.5.


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