R5422N111E 数据手册 ( 数据表 ) - RICOH Co.,Ltd.
RICOH Co.,Ltd.
OUTLINE
The R5422NxxxC/E Series are protection ICs for over-charge/discharge of rechargeable one-cell Lithium-ion (Li+) excess load current, further include a short circuit protector for preventing large external short circuit current.
FEATURES
● High Voltage Process Technology Absolute Maximum Rating of Voltage level between VDD-V- 28v
● Low supply current....................................................Supply current Typ. 6.0µA
Standby current (detecting over-discharge) Typ. 0.1µA
● High accuracy detector threshold ..............................Over-charge detector (Topt=25°C) ±25mV
(Topt=0 to 50°C) ±30 mV
Over-discharge detector ±2.5%
Excess current detector ±20mV
● Variety of detector threshold .....................................Over-charge detector threshold 4.0V - 4.5V step of 0.01V
Over-discharge detector threshold 2.0V - 3.0V step of 0.01V
● Built-in protection circuit ..........................................Excess current protection 0.05V - 0.4V step of 0.01V
● Output delay of over-charge......................................Time delay at C=0.01µF tVDET1=75ms, tVREL1=20ms
● Output delay of over-discharge .................................Internally fixed TYP. 17ms
● Output delay of excess-current Internally fixed TYP. 10ms
● 2 Over-current modes Excess Current Mode / Short Mode
● Charging Available / non-available at 0V Cell Acceptable of 0V Cell C version
Non-acceptable of 0V Cell E version
● Small package............................................................SOT-23-6 / 6-pin
APPLICATIONS
● Li+ one-cell protector for battery pack