R5400N Series0 pages
R5400N Series
Li-ion/polymer 1Cell Protector
The R5400N Series are high input voltage CMOS-based protection ICs for over-charge/discharge of rechargeable one-cell Lithium-ion
(Li-ion) / Lithium polymer excess load current, further include a short circuit protector for preventing large external short circuit
current and excess discharge-current.
Each of these ICs is composed of three voltage detectors, reference units, a delay circuit, a short circuit detector, an oscillator, a
counter, and a logic circuit. SOT-23-5 package is available.
FEATURES
• Supply Voltage (VDD)····························
• Charger Negative Input Voltage (V-) ···
• Operating Input Voltage Range (VDD)·····
• Supply Current (IDD) ·····························
12V (Absolute Maximum Rating) • Excess
Detector Threshold Range ····
-35V (Absolute Maximum Rating) discharge-current Detector Threshold Accuracy·····
1.5V to 5.0V
Output Delay Time (tVDET3) ····
(VDET3)
• Short Protection Voltage (Vshort)·······················
Typ. 3.5μA (A Version)
Output Delay Time (tshort) ······
Typ. 4.0μA (B Version)
• 0V-battery charge.............................................
• Standby Current (Is) ····························· Max. 0.1μA
• Over-charge Detector Threshold Range ······· 4.0V to 4.5V (0.005V steps) • Package ···························································
(VDET1)
Detector Threshold Accuracy ··· ±25mV (25°C)
±30mV (-5 to 55°C)
Output Delay Time (tVDET1)······· Typ. 1.1s or 275ms
• Over-discharge Detector Threshold Range ······· 2.0V to 3.0V (0.1V steps)
(VDET2)
Detector Threshold Accuracy ··· ±2.5%
Output Delay Time (tVDET2)······· Typ. 20ms
0.05V to 0.20V (0.005V steps)
±15mV
Typ. 12ms
Typ. 1.3V
Typ. 300μs
Selectable (A Version)
SOT-23-5
BLOCK DIAGRAM
R5400N
VDD
DC Circuit
Oscillator
Counter
Logic
Circuit
Level
Shift
VD1
Short
Detector
Delay
Logic
Circuit
VD2
VD3
VSS
DOUT
COUT
V-
SELECTION GUIDE
Package
Quantity per Reel
Part No.
SOT-23-5
3,000 pcs
R5400N.xxx.$.∗ -TR-FE
.xxx : Serial Number for the R5400N Series designating input three threshold for
over-charge, over-discharge, and excess discharge-current detectors.
.$.: Designation of Output delay time for over-charge.
(.C.) tVDET1=1.1s
(.F. ) tVDET1=275ms
.∗ : Designation of 0V-battery charge option.
(.A.) 0V-charge available
(.B.) 0V-charge unavailable
PACKAGE (Top View)
SOT-23-5
5
1
4
2
3
1
2
3
4
5
VVDD
VSS
DOUT
COUT
APPLICATIONS
• Li-ion / Li polymer protector of over-charge, over-discharge, excess discharge-current, excess charge-current for battery pack
• High precision protectors for cell-phones and any other gadgets using on board Li-ion / Li polymer battery
Li-ion/polymer 1Cell Protector
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