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參數資料
| 型號： | R5402NXXXEC-TR-FE |
| 廠商： | RICOH COMPANY LTD |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO6 |
| 封裝： | SOT-23, 6 PIN |
| 文件頁數： | 1/1頁 |
| 文件大小： | 89K |
| 代理商： | R5402NXXXEC-TR-FE |
R5402N Series
Li-ion/polymer 1Cell Protector
Li-ion/polymer 1Cell Protector
The R5402Nx 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 charge/discharge-current.
Each of these ICs is composed of four voltage detectors, reference units, a delay circuit, a short circuit protector, 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)
Standby Current (Is)
12V (Absolute Maximum Rating)
-35V (Absolute Maximum Rating)
1.5V to 5.0V
Typ. 4.0
μA
Max. 0.1
μA (C Version)
Max. 2.0
μA (B, D Version)
Excess
discharge-current
(VDET3)
Excess
charge-current
(VDET4)
Detector Threshold Range
Detector Threshold Accuracy
Output Delay Time (tVDET3)
Detector Threshold Range
Detector Threshold Accuracy
Output Delay Time (tVDET4)
0.05V to 0.20V (0.005V steps)
±15mV
Typ. 6ms or 12ms
-0.1V
±30mV
Typ. 8ms or 16ms
Short Protection Voltage (Vshort)
Output Delay Time (tshort)
Typ. 0.8V
Typ. 200
μs or 300μs
Over-charge
(VDET1)
Over-discharge
(VDET2)
Detector Threshold Range
Detector Threshold Accuracy
Output Delay Time (tVDET1)
Detector Threshold Range
Detector Threshold Accuracy
Output Delay Time (tVDET2)
4.0V to 4.5V (0.005V steps)
±25mV (25°C)
±30mV (-5 to 55°C)
Typ. 1.0s or 0.25s
2.0V to 3.0V (0.1V steps)
±2.5%
Typ. 20ms
0V-battery charge
Package
Available
SOT-23-6
BLOCK DIAGRAMS
R5402NxxxxB
R5402NxxxxC
R5402NxxxxD
VSS
VDD
Oscillator
Counter
Logic
Circuit
Delay
Logic
Circuit
DOUT COUT
V-
Short
Detector
Level
Shift
DC Circuit
VD1
VD2
VD4
VD3
VSS
VDD
Oscillator
Counter
Logic
Circuit
Delay
Logic
Circuit
DOUT COUT
V-
Short
Detector
Level
Shift
DC Circuit
VD1
VD2
VD4
VD3
VSS
VDD
Oscillator
Counter
Logic
Circuit
Delay
Logic
Circuit
DOUT COUT
V-
Short
Detector
Level
Shift
DC Circuit
VD1
VD2
VD4
VD3
SELECTION GUIDE
Package
Quantity per Reel
Part No.
SOT-23-6
3,000 pcs
R5402N.xxx.$.
-TR-FE
.xxx: Serial Number for the R5402 Series designating input four threshold for
over-charge, over-discharge, excess discharge-current, and excess
charge-current detectors
.$.: Designation of Output delay time option of over-charge,
excess discharge-current, and excess charge-current.
(.C.) tVDET1=1.0s, tVDET3=12ms, tVDET4=16ms
(.E.) tVDET1=1.0s, tVDET3=6ms, tVDET4=8ms
(.F.) tVDET1=0.25s, tVDET3=12ms, tVDET4=16ms
(.K.) tVDET1=1.0s, tVDET3=12ms, tVDET4=8ms
.: Designation of version symbols
(.B.) With Latch function after Over-charge, Auto Release after Over-discharge
(.C.) With Latch function after Over-charge and Over-discharge
(.D..) Auto Release after Over-charge and Over-discharge
PACKAGE (Top View)
SOT-23-6
6
5
4
1
2
3
1DOUT
2
V-
3COUT
4
NC
5VDD
6VSS
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
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