参数资料
型号: MCP73X23EV-LFP
厂商: Microchip Technology
文件页数: 6/34页
文件大小: 0K
描述: BOARD EVAL BATT CHARGER MCP73X23
标准包装: 1
主要目的: 电源管理,电池充电器
嵌入式:
已用 IC / 零件: MCP73123,MCP73223
主要属性: 1 芯或 2 芯 LiFePO4(磷酸铁锂),500mA 时为 3.6V 和 7.2V
次要属性: 安全计时器,热保护,自动终止充电和再充电
已供物品:
产品目录页面: 669 (CN2011-ZH PDF)
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MCP73123-22SI/MF-ND - IC LI IRON PHOSPHATE CTRLR 10DFN
MCP73123/223
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
Supply Ripple Attenuation
Sym
PSRR
Min
Typ
-46
-30
Max
Units
dB
dB
Conditions
I OUT = 20 mA, 10 Hz to 1 kHz
I OUT = 20 mA, 10 Hz to 10 kHz
Battery Short Protection
BSP Start Threshold
BSP Start Threshold
BSP Hysteresis
BSP Regulation Current
V SHORT
V SHORT
V BSPHYS
I SHORT
1.45
2.90
150
25
V
V
mV
mA
MCP73123
MCP73223
Current Regulation (Fast Charge, Constant-Current Mode)
Fast Charge Current
Regulation
I REG
130
117
900
130
1000
1100
143
1100
mA
mA
mA
T A =-5°C to +55°C
PROG = 10 k ?
PROG = 1.1 k ??
Preconditioning Current Regulation (Trickle Charge Constant Current Mode)
Precondition Current Ratio
I PREG/ /I REG
10
%
PROG = 1 k ?? to 10 k ?
T A =-5°C to +55°C
100
%
No Preconditioning
Precondition Voltage
Threshold Ratio
Precondition Hysteresis
V PTH
V PTH
V PHYS
1.9
3.8
2.0
4.0
100
2.1
4.2
V
V
mV
MCP73123, V BAT Low-to-High
MCP73223, V BAT Low-to-High
V BAT High-to-Low ( Note 1 )
Charge Termination
Charge Termination
Current Ratio
I TERM /I REG
3.7
5.6
5
7.5
6.3
9.4
%
PROG = 1 k ?? to 10 k ?
T A =-5°C to +55°C
Automatic Recharge
7.5
15
10
20
12.5
25
Recharge Voltage
Threshold Ratio
V RTH /V REG
93
95
0
97
%
V BAT High-to-Low
No Automatic Recharge
Pass Transistor ON-Resistance
ON-Resistance
R DSON
350
m ?
V DD = 4.5V, T J = 105°C ( Note 1 )
Status Indicator - STAT
Sink Current
I SINK
20
35
mA
Low Output Voltage
Input Leakage Current
V OL
I LK
0.2
0.001
0.5
1
V
? A
I SINK = 4 mA
High Impedance, V DD on pin
PROG Input
Charge Impedance Range
R PROG
1
21
k ?
Shutdown Impedance
PROG Voltage Range
R PROG
V PROG
0
200
5
k ?
V
Impedance for Shutdown
Automatic Power Down
Automatic Power Down
V PDENTRY
V BAT +
V BAT +
V
V DD Falling
Entry Threshold
10 mV
50 mV
Automatic Power Down
V PDEXIT
V BAT +
V BAT +
V
V DD Rising
Exit Threshold
Thermal Shutdown
150 mV
250 mV
Die Temperature
Die Temperature
T SD
T SDHYS
150
10
? C
? C
Hysteresis
Note 1:
Not production tested. Ensured by design.
DS22191D-page 6
? 2009-2011 Microchip Technology Inc.
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