FAN5400_11 Datasheet, PDF (6/37 Pages) Fairchild Semiconductor – FAN5400 / FAN5401 / FAN5402 / FAN5403 / FAN5404 / FAN5405 USB-Compliant Single-Cell Li-Ion Switching Charger

Electrical Specifications
Unless otherwise specified: according to the circuit of Figure 1; recommended operating temperature range for T_J and T_A;
V_BUS=5.0V; HZ_MODE; OPA_MODE=0; (Charge Mode); SCL, SDA, OTG=0 or 1.8V; and typical values are for T_J=25°C.
Symbol
Power Supplies
Parameter
I_VBUS
VBUS Current
I_LKG
VBAT to VBUS Leakage Current
I_BAT
Battery Discharge Current in High-
Impedance Mode
Charger Voltage Regulation
Charge Voltage Range
V_OREG
Charge Voltage Accuracy
Charging Current Regulation
Output Charge Current Range
I_OCHRG
Charge Current Accuracy Across
R_SENSE
Weak Battery Detection
Weak Battery Threshold Range
V_LOWV Weak Battery Threshold Accuracy
Weak Battery Deglitch Time
Logic Levels: DISABLE, SDA, SCL, OTG
V_IH
High-Level Input Voltage
V_IL
Low-Level Input Voltage
I_IN
Input Bias Current
Charge Termination Detection
Termination Current Range
I_(TERM)
Termination Current Accuracy
Termination Current Deglitch Time
1.8V Linear Regulator
V_REG
1.8V Regulator Output
Conditions
V_BUS > V_BUS(min), PWM Switching
V_BUS > V_BUS(min); PWM Enabled,
Not Switching (Battery OVP
Condition); I_IN Setting=100mA
0°C < T_J < 85°C, HZ_MODE=1
V_BAT < V_LOWV, 32S Mode
0°C < T_J < 85°C, HZ_MODE=1,
V_BAT=4.2V, V_BUS=0V
0°C < T_J < 85°C, HZ_MODE=1,
V_BAT=4.2V
FAN5403-05, DISABLE=1,
0°C < T_J < 85°C, V_BAT=4.2V
T_A=25°C
T_J=0 to 125°C
V_LOWV < V_BAT < V_OREG
V_BUS > V_SLP, R_SENSE=68m
20mV < V_IREG <
40mV
FAN5400-02
FAN5403-05
V_IREG > 40mV
FAN5400-02
FAN5403-05
Rising Voltage, 2mV Overdrive
Input Tied to GND or V_IN
V_BAT > V_OREG – V_RCH, V_BUS > V_SLP,
R_SENSE=68m
[V_CSIN – V_BAT] from 3mV to 20mV
[V_CSIN – V_BAT] from 20mV to 40mV
2mV Overdrive
I_REG from 0 to 2mA, FAN5403-05
Min. Typ. Max. Units
10
mA
2.5
mA
63
90
A
0.2
5.0
A
20
A
10
3.5
–0.5%
–1%
4.4
+0.5% V
+1%
550
1250 mA
95
100 105
92
97
102
%
97
100 103
94
97
100
3.4
3.7
V
–5
+5
%
30
ms
1.05
V
0.4
V
0.01 1.00 A
50
400 mA
–25
+25
%
–5
+5
30
ms
1.7
1.8
1.9
V
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© 2009 Fairchild Semiconductor Corporation
FAN5400 Family • Rev. 1.0.7
6
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