FAN54300 Datasheet, PDF (8/43 Pages) Fairchild Semiconductor – USB-Compliant, Dual-Power Input, Single-Cell, Li-Ion Switching Charger with USB-OTG Boost Regulator

Electrical Specifications
Unless otherwise specified: circuit of Figure 1, recommended operating temperature range for TJ and TA, VBUS or VIN = 5.0 V,
HZ1, HZ2, OPA_MODE = 0, (Charger Mode). SCL, SDA, OTG = 0 or 1.8 V. Typical values are for TJ = 25°C.
Symbol
Power Supplies
Parameter
IVBUS VBUS Current
IVIN VIN Current
IBAT
Battery Discharge Current in
High-Z Mode
Charger Voltage Regulation
Charge Voltage Range
VOREG
Charge Voltage Accuracy
Charging Current Regulation
Output Charge Current Range
IOCHRG
Charge Current Accuracy
Across RSENSE
Weak-Battery Detection
VLOWV
Weak-Battery Threshold
Accuracy
Weak Battery Deglitch Time
Logic Levels: DIS, SDA, SCL, OTG
VIH HIGH-Level Input Voltage
VIL LOW-Level Input Voltage
IIN Input Bias Current
Charge Termination Detection
Termination Current Range
I(TERM) Termination Current Accuracy
Termination Current Deglitch
Time
Conditions
PWM Switching, Open Battery, TE=0
PWM Not Switching (VBAT > VOREG)
0°C < TJ < 85°C, HZ1 = 1, VBAT > VLOWV
0°C < TJ < 85°C, HZ1 = 1, VBAT <
VLOWV, 32S Mode
PWM Switching, Open Battery, TE=0
PWM Not Switching (VBAT>VOREG)
0°C < TJ < 85°C, HZ2 = 1, VIN > VLOWV
0°C < TJ < 85°C, HZ2 = 1, VIN < VLOWV,
32S Mode
0°C < TJ < 85°C, HZ1=HZ2 = 1 or
DIS=1, VBAT = 4.2 V
0°C < TJ < 85°C, VBAT = 4.2 V, VIN =
VBUS = Open or GND, HZ1=HZ2=1,
SDA = SCL = 1.8 V, No I²C Traffic
TA = 25°C
TJ = 0 to 125°C
VLOWV < VBAT < VOREG,
VBUS > VSLP, RSENSE = 68 m
20 mV < VIREG < 40 mV
VIREG > 40 mV
3.4 < VLOWV < 3.7
Rising Voltage, 2 mV Overdrive
Input Tied to GND or VBAT
VBAT > VOREG – VRCH, VBUS > VSLP,
RSENSE = 68 m
[VCSIN – VBAT ] from 3 mV to 20 mV
[VCSIN – VBAT ] from 20 mV to 40 mV
2 mV Overdrive
Min.
3.5
–0.5
–1
550
92
94
-5
1.05
50
–25%
–5%
Typ.
33
3.6
350
350
33
2.6
350
350
97
97
30
0.01
30
Max. Units
mA
mA
500
µA
500
µA
mA
mA
500
µA
500
µA
20
µA
30
µA
4.4
V
+0.5
%
+1
%
1500
102
100
mA
% of
Setting
+5
%
ms
V
0.4
V
1.00
µA
400
mA
+25%
+5%
ms
Continued on the following page…
© 2010 Fairchild Semiconductor Corporation
FAN54300 • Rev. 1.0.4
8
www.fairchildsemi.com