Datasheet

MCP73213
DS22190B-page 6 © 2009 Microchip Technology Inc.
Battery Short Protection
BSP Start Threshold V
SHORT
—3.4—V
BSP Hysteresis V
BSPHYS
— 150 — mV
BSP Regulation Current I
SHORT
—25—mA
Current Regulation (Fast Charge, Constant-Current Mode)
Fast Charge Current
Regulation
I
REG
130 — 1100 mA T
A
= -5°C to +55°C
117 130 143 mA PROG = 10 kΩ
900 1000 1100 mA PROG = 1.1 kΩ
Preconditioning Current Regulation (Trickle Charge Constant Current Mode)
Precondition Current Ratio I
PREG
/ I
REG
— 10 — % PROG = 1 kΩ to 10 kΩ
T
A
=-5°C to +55°C
— 100 — % No Preconditioning
Precondition Voltage
Threshold Ratio
V
PTH
/ V
REG
64 66.5 69 % V
BAT
Low-to-High
69 71.5 74 %
Precondition Hysteresis V
PHYS
— 100 — mV V
BAT
High-to-Low (Note 1)
Charge Termination
Charge Termination
Current Ratio
I
TERM
/ I
REG
3.7 5 6.3 % PROG = 1 kΩ to 10 kΩ
T
A
=-5°C to +55°C
5.6 7.5 9.4
7.5 10 12.5
15 20 25
Automatic Recharge
Recharge Voltage
Threshold Ratio
V
RTH
/ V
REG
93 95.0 97 % V
BAT
High-to-Low
No Automatic Recharge
—0—%
Pass Transistor ON-Resistance
ON-Resistance R
DSON
— 350 — mΩ V
DD
= 4.5V, T
J
= 105°C (Note 1)
Status Indicator - STAT
Sink Current I
SINK
—2035mA
Low Output Voltage V
OL
—0.20.5VI
SINK
= 4 mA
Input Leakage Current I
LK
— 0.001 1 µA High Impedance, V
DD
on pin
PROG Input
Charge Impedance Range R
PROG
1—22kΩ
Shutdown Impedance R
PROG
— 200 — kΩ Impedance for Shutdown
Automatic Power Down
Automatic Power Down
Entry Threshold
V
PDENTRY
V
BAT
+
10 mV
V
BAT
+
50 mV
—VV
DD
Falling
Automatic Power Down
Exit Threshold
V
PDEXIT
—V
BAT
+
150 mV
V
BAT
+
250 mV
VV
DD
Rising
Thermal Shutdown
Die Temperature T
SD
— 150 — °C
Die Temperature
Hysteresis
T
SDHYS
—10—°C
DC CHARACTERISTICS (CONTINUED)
Electrical Specifications: Unless otherwise indicated, all limits apply for V
DD
= [V
REG
(Typical) + 0.3V] to 12V,
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.