Battery Management ICs

  Two-Cell Li-ion/Polymer Battery Protection
  HY212 Series Features:  
  Built-in high precision voltage detection circuit and delay circuit
  Low current consumption:
        Operation mode<9μA (VDD=7.8V)
        Sleep mode<0.1μA (VDD=4.0V)
  Charger connected pin adopts high-withstand-voltage design (CS/OC pin absolute max. rating: 33V)
  0V battery charge function:“Available” or “Unavailable” is optional
  Small package: SOT-23-6
  Wide operation temperature range: -40℃ to +85℃
  All products are in Green packages: PB & Halogen free
 
  Applications:  

  2-cell lithium-ion rechargeable battery packs
  High precision protectors for cell-phones and any gadgets using on board Li+/Li Polymer battery
 
  HY2120 Series   简体中文版:  English Version: 
IC Model

Overcharge
detection
voltage

Overcharge
release
voltage

Overdischarge
detection
voltage

Overdischarge
release
voltage

Discharge
overcurrent
detection
voltage

Charge
overcurrent
detection
voltage

0V battery
charge
function

Package

 
VCUn
VCRn
VDLn
VDRn
VDIP
VCIP
V0CH
Halogen-free,
Green package
HY2120-A
4.35V±0.025V
4.15V±0.05V
2.30V±0.08V
3.00V±0.1V
300mV±30mV
-210mV±30mV
available
SOT-23-6
HY2120-B
4.35V±0.025V
4.15V±0.05V
2.30V±0.08V
3.00V±0.1V
200mV±30mV
-210mV±30mV
available
SOT-23-6
HY2120-C
4.28V±0.025V
4.08V±0.05V
2.90V±0.08V
3.00V±0.1V
200mV±30mV
-210mV±30mV
available
SOT-23-6
HY2120-D
4.28V±0.025V
4.08V±0.05V
2.25V±0.08V
2.95V±0.1V
200mV±30mV
-210mV±30mV
available
SOT-23-6
HY2120-E
4.28V±0.025V
4.08V±0.05V
2.25V±0.08V
2.95V±0.1V
150mV±30mV
-210mV±30mV
available
SOT-23-6
HY2120-F
4.30V±0.025V
4.10V±0.05V
2.90V±0.08V
3.00V±0.1V
200mV±30mV
-210mV±30mV
available
SOT-23-6
HY2120-G
4.28V±0.025V
4.08V±0.05V
3.10V±0.08V
3.20V±0.1V
200mV±30mV
-210mV±30mV
available
SOT-23-6
HY2120-L
4.25V±0.025V
4.05V±0.05V
2.80V±0.08V
3.00V±0.1V
200mV±30mV
-210mV±30mV
available
SOT-23-6
 
 
  HY2122 Series   简体中文版:  English Version: 
IC Model

Over-charge
detection
voltage

Over-charge
release
voltage

Over-discharge
detection
voltage

Over-discharge
release
voltage

Discharge
overcurrent
detection
voltage

Charge
overcurrent
detection
voltage

Delay
Time
Code

Characteristic
Code

Package

 
VCU
VCR
VDL
VDR
VDIP
VCIP
-
-
Halogen-free,
Green package
HY2122-A
3.65V±0.025V
3.45V±0.05V
2.00V±0.08V
2.50V±0.1V
200mV±30mV
-200mV±30mV
1
A
SOT-23-6
HY2122-A
3.65V±0.025V
3.45V±0.05V
2.00V±0.08V
2.50V±0.1V
200mV±30mV
-200mV±30mV
1
B
SOT-23-6
HY2122-B
3.75V±0.025V
3.25V±0.05V
1.80V±0.08V
2.30V±0.1V
200mV±30mV
-210mV±30mV
1
A
SOT-23-6
HY2122-E
3.95V±0.025V
3.50V±0.05V
2.20V±0.08V
2.50V±0.1V
200mV±30mV
-210mV±30mV
1
A
SOT-23-6
  Delay Time Code-Delay Time Parameter Option
Delay Time Code
Overcharge
Delay Time
Overdischarge
Delay Time
Discharge Overcurrent
Delay Time
Charge Overcurrent
Delay Time
Short Circuit
Delay Time
-
TOC
TOD
TDIP
TCIP
TSIP
1
1000ms
110ms
10ms
7ms
250μs
  Characteristic Code-Other function Option
Characteristic Code
0 V Battery Charge Function
Power-down Function / Auto Overdischarge Recovery Function
A
Available
With power-down Function
B
Available
With auto overdischarge recovery function
C
Unavailable
With auto overdischarge recovery function
 
 
 
 
 
 
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