HY2120 Data Sheet - Hycon Technology Corp

1 HY2120 data Sheet 2-Cell Lithium-ion/Lithium Polymer Battery Packs Protection ICs 2009-2015 Hycon Technology Corp. DS- HY2120 -V15_EN . HY2120 2-Cell Lithium-ion/Lithium Polymer Battery Packs Protection ICs 2009-2015 Hycon Technology Corp DS- HY2120 -V15_ENpage2 Table of Contents 1.. 4 GENERAL DESCRIPTION2.. 4 FEATURES3.. 4 APPLICATIONS4.. 5 BLOCK DIAGRAM5.. 6 ORDERING INFORMATION6.. 6 MODEL LIST7.. 7 PIN CONFIGURATION AND PACKAGE MARKING INFORMATION8.. 8 ABSOLUTE MAXIMUM RATINGS9.. 9 ELECTRICAL CHARACTERISTICS10.. 10 BATTERY PROTECTION IC CONNECTION EXAMPLE11.. 12 DESCRIPTION OF .. 12 Normal .. 12 Overcharge .. 13 Overdischarge .. 14 Discharge Overcurrent Status (Discharge Overcurrent & Short Circuit) .. 15 Charge Overcurrent Status12.

2 16 CHARACTERISTICS (TYPICAL data )13.. 19 PACKAGE .. 19 SOT-23-614.. 20 TAPE & REEL .. 20 Tape & Reel Information---SOT-23-6 (Type 1) .. 21 Tape & Reel Information---SOT-23-6 (Type 2)15..22 REVISION RECORD. HY2120 2-Cell Lithium-ion/Lithium Polymer Battery Packs Protection ICs 2009-2015 Hycon Technology Corp Attention 1. Hycon Technology Corp. reserves the right to change the content of this datasheet without further notice. For most up-to-date information, please constantly visit our website: . 2. Hycon Technology Corp. is not responsible for problems caused by figures or application circuits narrated herein whose related industrial properties belong to third parties. 3. Specifications of any Hycon Technology Corp. products detailed or contained herein stipulate the performance, characteristics, and functions of the specified products in the independent state. We does not guarantee of the performance, characteristics, and functions of the specified products as placed in the customer s products or equipment.

3 Constant and sufficient verification and evaluation is highly advised. 4. Please note the operating conditions of input voltage, output voltage and load current and ensure the IC internal power consumption does not exceed that of package tolerance. Hycon Technology Corp. assumes no responsibility for equipment failures that resulted from using products at values that exceed, even momentarily, rated values listed in products specifications of Hycon products specified herein. 5. Notwithstanding this product has built-in ESD protection circuit, please do not exert excessive static electricity to protection circuit. 6. Products specified or contained herein cannot be employed in applications which require extremely high levels of reliability, such as device or equipment affecting the human body, health/medical equipments, security systems, or any apparatus installed in aircrafts and other vehicles. 7. Despite the fact that Hycon Technology Corp. endeavors to enhance product quality as well as reliability in every possible way, failure or malfunction of semiconductor products may happen.

4 Hence, users are strongly recommended to comply with safety design including redundancy and fire-precaution equipments to prevent any accidents and fires that may follow. 8. Use of the information described herein for other purposes and/or reproduction or copying without the permission of Hycon Technology Corp. is strictly prohibited. DS- HY2120 -V15_ENpage3 . HY2120 2-Cell Lithium-ion/Lithium Polymer Battery Packs Protection ICs 2009-2015 Hycon Technology Corp DS- HY2120 -V15_ENpage4 1. General Description The series of HY2120 ICs is best created for 2-cell lithium-ion/lithium polymer rechargeable battery protection and it also comprises high-accuracy voltage detectors and delay circuits. These ICs are suitable for protecting 2-cell rechargeable lithium-ion/lithium polymer battery packs against the problems of overcharge, overdischarge and overcurrent.

5 2. Features The features that whole series of HY2120 comprised are as follows: (1) High-accuracy voltage detection circuit Overcharge detection voltage VCUn (n 1, 2) to Accuracy 25mV Overcharge release voltage VCRn (n 1, 2) to Accuracy 50mV Overdischarge detection voltage VDLn (n 1, 2) to Accuracy 80mV Overdischarge release voltage VDRn (n 1, 2) to Accuracy 100mV Discharge overcurrent detection voltage (by option) Charge overcurrent detection voltage (by option) Accuracy 30mV Short-circuiting detection voltage (fixed) Accuracy (2)Delay times are generated by an internal circuit (external capacitors are unnecessary). Overcharge delay time 1000ms typ.

6 Overdischarge delay time 110ms typ. Discharge overcurrent delay time 10ms typ. Charge overcurrent detection voltage 7ms typ. Short circuit delay time 250 s typ. (3) Low current consumption(Products with Power-down Function) Operation mode A typ., A max. (VDD= ) Ultra low power-down current at A max. (VDD= ) (4) High-withstanding-voltage device is used for charger connection pins (CS pin and OC pin : Absolute maximum rating = 33 V) (5) 0 V battery charge function available / unavailable are selectable (6) Wide operating temperature range 40 C to +85 C (7) Small package SOT-23-6 (8) The HY2120 series are Halogen-free, green package 3. Applications 2-cell lithium-ion rechargeable battery packs 2-cell lithium polymer rechargeable battery packs.

7 HY2120 2-Cell Lithium-ion/Lithium Polymer Battery Packs Protection ICs 2009-2015 Hycon Technology Corp Block Diagram Overcharge detector 1 VDDC ontrol LogicCounterOscillatorshort circuit detectorCSVDDVCVSS discharge overcurrent detectorVSSVSSVSSO vercharge detector 2overdischarge detector 1overdischarge detector 2charge overcurrent detector DS- HY2120 -V15_ENpage5 . HY2120 2-Cell Lithium-ion/Lithium Polymer Battery Packs Protection ICs 2009-2015 Hycon Technology Corp Ordering Information Product name define 6. Model List Overcharge detection voltage Overcharge release voltage Overdis- charge detection voltage Overdis- Charge release voltage Discharge overcurrent detection voltage Charge overcurrent detection voltage 0V battery charge functionChara-cteristic Code Model VCUn VCRn VDLn VDRn VDIP VCIP V0CH HY2120 -AB 30mV-210 30mV availableA HY2120 -BB 30mV-210 30mV availableA HY2120 -CB 30mV-210 30mV availableA HY2120 -DB 30mV-210 30mV availableA HY2120 -EB 30mV-210 30mV availableA HY2120 -FB 30mV-210 30mV availableA HY2120 -GB 30mV-210 30mV availableA HY2120 -HB 30mV-210 30mV availableC HY2120 -LB 30mV-210 30mV availableE HY2120 -MB 30mV-210 30mV available A HY2120 -NB

8 30mV-210 30mV available B HY2120 -OB 15mV-100 15mV availableB Remark: Please contact our sales office for the products with detection voltage value other than those specified above. DS- HY2120 -V15_ENpage6 . HY2120 2-Cell Lithium-ion/Lithium Polymer Battery Packs Protection ICs 2009-2015 Hycon Technology Corp Code Option Characteristic Code Overcharge release Function Power-down Function/ Auto Overdischarge Recovery Function A Overcharge release code 1: for details, see the specification With power-down Function B Overcharge release code 2: for details, see the specification With auto overdischarge recovery function C Overcharge release code 1: for details, see the specification With auto overdischarge recovery function E Overcharge release code 2: for details, see the specification With power-down Function 7.

9 Pin Configuration and Package Marking Information Pin No. Symbol Description 1 OD MOSFET gate connection pin for discharge control 2 OC MOSFET gate connection pin for charge control 3 CS Input pin for current sense, charger detect pin 4 VC Input pin of the center voltage between two-cell 5 VDD Power supply pin 6 VSS Ground pin 51236420 XBXXXX 20 : Product Name XB : Serial code & Package name XXXX : Date code DS- HY2120 -V15_ENpage7 . HY2120 2-Cell Lithium-ion/Lithium Polymer Battery Packs Protection ICs 2009-2015 Hycon Technology Corp DS- HY2120 -V15_ENpage8 8.

10 Absolute Maximum Ratings (VSS=0V, Ta=25 C unless otherwise specified) Item SymbolRating Unit Input voltage between VDD and VSS pin VDD to VSS+10 V OC output pin voltage VOC VDD-33 to VDD+ V OD output pin voltage VOD to VDD+ V CS input pin voltage VCS VDD-33 to VDD+ V Operating Temperature Range TOP -40 to +85 C Storage Temperature Range TST -40 to +125 C Power dissipation PD 250 mW . HY2120 2-Cell Lithium-ion/Lithium Polymer Battery Packs Protection ICs 2009-2015 Hycon Technology Corp DS- HY2120 -V15_ENpage9 9. Electrical Characteristics (VSS=0V, Ta=25 C unless otherwise specified) Item Symbol Condition Min.