LM3658 Datasheet, PDF (3/13 Pages) National Semiconductor (TI) – Dual Source USB/AC Li Chemistry Charger IC for Portable Applications

Absolute Maximum Ratings (Notes 1,
2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
CHG_IN, USBpwr (V_CC)
All other pins except GND
−0.3V to +6.5V
−0.3V to CHG_IN or USBpwr
Power Dissipation (Note 3)
Internally Limited
Junction Temperature (T_J-MAX)
Storage Temperature Range
+150˚C
−65˚C to +150˚C
ESD Rating (Note 4)
Human Body Model:
2.0 kV
Machine Model:
200V
Operating Ratings (Notes 1, 2)
Input Voltage Range for CHG_IN
Input Voltage Range for USB_pwr
Recommended Load Current
Power Dissipation(Note 3)
Junction Temperature (T_J) Range
Ambient Temperature (T_A) Range
4.5V to 6.0V
4.35V to 6.0V
0 to 1000 mA
Internally Limited
−40˚C to +125˚C
−40˚C to +85˚C
Thermal Properties
θ_JA, Junction-to-Ambient Thermal
Resistance (Note 5)
54˚C/W
Electrical Characteristics Unless otherwise noted, V_CC (V_{CHG_IN} and/or V_USBpwr) = 5V, V_BATT = 3.5V.
C_{CHG_IN} = 1 µF, C_USBpwr = 1 µF, C_BATT = 1 µF. Typical values and limits appearing in normal type apply for T_J = 25˚C. Limits
appearing in boldface type apply over T_J = 0˚C to +85˚C. (Notes 2, 6, 7)
Symbol
Parameter
Conditions
CHARGER
V_{CHG_IN}
V_USBpwr
I_{CC_PD}
I_{CC_STBY}
I_{BATT_PD}
I_{BATT_MAINT}
V_{OK_CHG}
V_POR
V_TERM
V_{CHG_DO}
V_{USB_DO}
I_CHG
AC Wall Adapter
Input Voltage Range
USB Input Voltage
Range
Quiescent Current in
Power Down Mode
Quiescent Current in
Standby Mode
Battery Leakage
Current in Power
Down Mode
Battery Leakage
Current in
Maintenance Mode
CHG_IN or USBpwr
OK Trip-Point
V_CC POR Trip-Point
Battery Charge
Termination Voltage
Battery Charge
Termination Voltage
Tolerance
CHG_IN Drop-Out
Voltage
USBpwr Drop-Out
Voltage
CHG_IN Full-Rate
Charge Current
Range (see full-rate
charge mode
description)
> V_BATT V_CC–V_{OK_CHG}
< V_BATT V_CC − V_{OK_CHG}
V_CC > V_POR
EN_b = High
> V_BATT V_CC + V_{OK_CHG}
STAT1 = off, STAT2 = on, adapter or USB
connected, V_BATT = 4.2V
V_CC – V_BATT (Rising)
V_CC – V_BATT (Falling)
V_CC (Rising)
< V_BATT V_CC – V_{OK_CHG}
< < V_{FULL_RATE} V_BATT V_TERM
I_CHG = 10% of its value when V_BATT = 3.5V
T_A = 25˚C
T_A = 0˚C to 85˚C
V_BATT = V_TERM, I_CHG = 1A
> V_CC V_BATT + V_{CHG_DO_MAX}
V_BATT = V_TERM, USB_sel = high
> V_CC V_BATT + V_{USB_DO_MAX}
6V ≥ V_CC ≥ 4.5V
< V_BATT V_CC – V_{OK_CHG}
< < V_{FULL_RATE} V_BATT V_TERM
I_CHG = K_ISET/R_ISET
Limit
Typ
Units
Min
Max
4.5
6.0
V
4.35
6.0
V
1
5
µA
400
600
µA
0.01
2.0
µA
7
15
µA
200
mV
50
3.0
V
4.2
V
−0.35 +0.35
%
−1.5
+1.5
500
mV
250
mV
50
1000 mA
3
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