Document
UNISONIC TECHNOLOGIES CO., LTD
UB209A
Preliminary
BATTERY PROTECTION IC WITH CELL-BALANCE FUNCTION
CMOS IC
DESCRIPTION
The UTC UB209A Series is a protection IC for lithium-ion/lithium polymer rechargeable batteries, including a high precision voltage detection circuit and a delay circuit.
The UTC UB209A Series has a transmission function and two types of cell-balance function so that users are also able to configure a protection circuit with series multi-cell.
FEATURES
* 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)
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
UB209AL-xx-S08-R
UB209AG-xx-S08-R
UB209AL-xx-P08-R
UB209AG-xx-P08-R
Note: xx: Output Voltage, refer SERIAL CODE LIST.
Package
SOP-8 TSSOP-8
Packing
Tape Reel Tape Reel
UB209AG-xx-S08-R
(1)Packing Type (2)Package Type (3)Output Voltage Code (4)Green Package
(1) R: Tape Reel (2) S08: SOP-8, P08: TSSOP-8 (3) xx: Refer to SERIAL CODE LIST (4) G: Halogen Free and Lead Free, L: Lead Free
www.unisonic.com.tw Copyright © 2017 Unisonic Technologies Co., Ltd
1 of 9
QW-R502-940.e
UB209A
Preliminary
CMOS IC
SERIAL CODE LIST
Model UB209A
Code
Overcharge Detection Voltage [VCU](V)
Overcharge Release Voltage [VCL](V)
AA 4.100 AB 3.800 AC 3.900 AD 4.250 AE 4.000 AF 4.250 AG 3.900 AH 3.900 AI 4.150 AJ 4.250 AK 4.300
4.000 3.750 3.500 4.100 3.900 4.100 3.600 3.700 4.050 4.150 4.200
Cell-balanc e Detection
Voltage [VBU](V)
4.050 3.650 3.550 4.200 3.950 4.100 3.550 3.600 3.900 4.100 4.225
Cell-balanc e Release
Voltage [VBL](V)
4.000 3.600 3.550 4.100 3.900 4.000 3.500 3.600 3.900 4.050 4.225
Overdischar ge
Detection Voltage [VDL](V)
Overdischar ge Release
Voltage [VDU](V)
Discharge Cell-balance
Function
2.50 2.70 Yes
2.00 2.50 Yes
2.50 2.70 Yes
2.50 3.00 Yes
2.50 2.70 Yes
2.75 3.05 Yes
2.00 2.40 Yes
2.50 2.80
No
3.00 3.30 Yes
2.50 2.80 Yes
2.00 2.50 Yes
MARKING
SOP-8
TSSOP-8
PIN CONFIGURATION
CTLC 1 CTLD 2
VDD 3 CDT 4
8 CB 7 CO 6 DO 5 VSS
PIN DESCRIPTION
PIN NO. 1 2 3
4
5 6 7 8
PIN NAME CTLC CTLD VDD
CDT
VSS DO CO CB
DESCRIPTION Pin for charge control Pin for discharge control Connection pin for input positive power supply, for battery’s positive voltage Connection pin to capacitor for overcharge detection delay, for over discharge detection delay Input pin for negative power supply, Connection pin for battery’s negative voltage Output pin for discharge control (Nch open drain output) Output pin for charge control (Nch open drain output) Output pin for cell-balance control (CMOS output)
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 9
QW-R502-940.e
UB209A
BLOCK DIAGRAM
Preliminary
CMOS IC
CDT VDD
8.31 MΩ
VSS
Logic Control and Delay Circuit
CO DO
+
Cell-balance detection comparator
+
Overcharge detection comparator
+
Overdischarge detection comparator
CB
400 nA
CTLC
400 nA
CTLD
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 9
QW-R502-940.e
UB209A
Preliminary
CMOS IC
ABSOLUTE MAXIMUM RATING (TA=25°C unless otherwise specified)
PARAMETER
SYMBOL
RATINGS
UNIT
Input Voltage Between VDD and VSS CB Pin Output Voltage
VDS VSS-0.3 ~ VSS+9.0 V VCB VSS-0.3 ~ VDD+0.3 V
CDT Pin Voltage DO Pin Output Voltage
VCDT VDO
VSS-0.3 ~ VDD+0.3 VSS-0.3 ~ VSS+18
V V
CO Pin Output Voltage CTLC Pin Input Voltage
VCO VCTLC
VSS-0.3 ~ VSS+18 VDD-18 ~ VDD+0.3
V V
CTLD Pin Input Voltage Power Dissipation (Note 2)
SOP-8 TSSOP-8
VCTLD PD
VDD-18 ~ VDD+0.3 700
V mW mW
Operating Ambient Temperature
TOPR
-40 ~ +85
°C
Storage Temperature
TSTG
-55 ~ +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 board Size: 114.3mm×76.2mm×1.6mm.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
4 of 9
QW-R502-940.e
UB209A
Preliminary
CMOS IC
ELECTRICAL CHARACTERISTICS (TA=25°C unless otherwise specified)
PARAMETER
SYMBOL TEST CONDITIONS MIN
TYP
MAX
UNIT
Test circuit
Overcharge Detection Voltage Overcharge Release Voltage
VCU VCL
VCU -0.05 VCU VCU +0.05 V VCL-0.05 VCL VCL+0.05 V
1 1
Cell-balance Detection Voltage VBU Cell-balance Release Voltage VBL
VBU-0.05 VBU VBU+0.05 V VBL-0.05 VBL VBL+0.05 V
1 1
Over Discharge Detection Voltage
VDL
VDL-0.10 VDL VDL+0.10 V
1
Over Discharge Release Voltage
VDU
VDU-0.10 VDU VDU+0.10 V
1
Detection Delay Time (Note 1) tDET CCDT=0.01µF
Release Delay Time
tREL CCDT=0.01µF
50 100 150 ms 2 5 10 15 ms 2
CDT Pin Detection Voltage Operating Voltage Between VDD and VSS
VCDET VDSOP
VDS=3.5V
VDS×0.65
Output Voltage of CO, DO, CB Fi.