Datasheet

MCP73830/L
DS20005049C-page 4  2011-2013 Microchip Technology Inc.
Current Regulation (Fast Charge, Constant-Current Mode)
Fast Charge Current
Regulation
MCP73830L
I
REG
20 — 200 mA
— 20 — mA PROG = 10 k
— 200 — mA PROG = 1 k
Fast Charge Current
Regulation
MCP73830
I
REG
100 — 1000 mA
— 100 — mA PROG = 10 k
— 1000 — mA PROG = 1 k
Charge Current
Tole ra nce
I
RTOL
—10—%V
DD
= 4.5V, T
A
= -5°C to +55°C
Preconditioning Current Regulation (Trickle Charge Constant Current Mode)
Precondition Current
Ratio
I
PREG
/I
REG
— 10 — % PROG = 1 kto 10 k
— 100 — % No Preconditioning
Precondition Voltage
Threshold Ratio
V
PTH
/V
REG
70 72 75 % V
BAT
Low-to-High
T
A
= -5°C to +55°C
Precondition
Hysteresis
V
PHYS
— 100 — mV
Charge Termination
Charge Termination
Current Ratio
I
TERM
/I
REG
5.6 7.5 9.4 % PROG = 1 kto 10 k
81012%V
DD
= 4.5V, T
A
=-5°C to +55°C
Automatic Recharge
Recharge Voltage
Threshold Ratio
V
RTH
/V
REG
94.5 96.5 98.5 % V
BAT
High-to-Low
—0—%
No Automatic Recharge
Pass Transistor ON-Resistance
ON-Resistance R
DSON
— 500 — m V
DD
= 4.5V, T
J
= 105°C (Note 1)
Status Indicator – STAT
Sink Current I
SINK
—1630mA
Low Output Voltage V
OL
—0.4 1VI
SINK
= 4 mA
Input Leakage Current I
LK
— 0.01 1 µA High Impedance, V
DD
on Pin
PROG Input
Charge Impedance
Range
R
PROG
1—10k
Automatic Power Down
Automatic Power
Down Entry Threshold
V
PDENTRY
—V
BAT
+50mV — V V
DD
Falling
Automatic Power
Down Exit Threshold
V
PDEXIT
—V
BAT
+ 150 mV — V V
DD
Rising
Charge Enable (CE
)
Input High Voltage
Level
T
SD
1.5 — — V
Input Low Voltage
Level
V
IL
——0.8V
Input Leakage Current I
LK
—5 8µAV
DD
= 5V
T
A
= -5°C to +55°C
DC CHARACTERISTICS (CONTINUED)
Electrical Specifications: Unless otherwise indicated, all limits apply for V
DD
= [V
REG
(Typical) + 0.3V] to 6V,
T
A
= -40°C to +85°C. Typical values are at +25°C, V
DD
= [V
REG
(Typical) + 1.0V]
Parameters Sym. Min. Typ. Max. Units Conditions
Note 1: Not production tested. Ensured by design.