Datasheet 搜索 > 电池管理芯片 > Microchip（微芯） > MCP73832-3ACI/MC 数据手册 > MCP73832-3ACI/MC 数据手册 4/28 页
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MCP73832-3ACI/MC 数据手册 - Microchip（微芯）
制造商:
Microchip（微芯）
分类:
电池管理芯片
封装:
DFN-8
描述:
微型单细胞，完全集成的锂离子电池，锂聚合物充电管理控制器 Miniature Single-Cell, Fully Integrated Li-Ion, Li-Polymer Charge Management Controllers
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MCP73832-3ACI/MC数据手册
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MCP73831/2
DS20001984G-page 4 2005-2014 Microchip Technology Inc.
Preconditioning Current Regulation (Trickle Charge Constant-Current Mode)
Precondition Current
Ratio
I
PREG
/ I
REG
7.5 10 12.5 % PROG = 2.0 kto 10 k
15 20 25 % PROG = 2.0 kto 10 k
30 40 50 % PROG = 2.0 kto 10 k
— 100 — % No Preconditioning
T
A
= -5°C to +55°C
Precondition Voltage
Threshold Ratio
V
PTH
/ V
REG
64 66.5 69 % V
BAT
Low-to-High
69 71.5 74 % V
BAT
Low-to-High
Precondition Hysteresis V
PHYS
—110—mVV
BAT
High-to-Low
Charge Termination
Charge Termination
Current Ratio
I
TERM
/ I
REG
3.75 5 6.25 % PROG = 2.0 kto 10 k
5.6 7.5 9.4 % PROG = 2.0 kto 10 k
8.5 10 11.5 % PROG = 2.0 kto 10 k
15 20 25 % PROG = 2.0 kto 10 k
T
A
= -5°C to +55°C
Automatic Recharge
Recharge Voltage
Threshold Ratio
V
RTH
/ V
REG
91.5 94.0 96.5 % V
BAT
High-to-Low
94 96.5 99 % V
BAT
High-to-Low
Pass Transistor ON-Resistance
ON-Resistance R
DSON
—350—m V
DD
= 3.75V, T
J
= 105°C
Battery Detection
Battery Detection Current I
BAT_DET
—6—µAV
BAT
Source Current
No-Battery-Present
Threshold
V
NO_BAT
—V
REG
+
100 mV
—VV
BAT
Voltage ≥ V
NO_BAT
for
No Battery condition
No-Battery-Present
Impedance
Z
NO_BAT
2——M V
BAT
Impedance ≥ Z
NO_BAT
for No Battery condition,
Note 1
Battery Discharge Current
Output Reverse Leakage
Current
I
DISCHARGE
— 0.15 2 µA PROG Floating
—0.25 2µAV
DD
Floating
—0.15 2µAV
DD
< V
STOP
— -5.5 -15 µA Charge Complete
Status Indicator – STAT
Sink Current I
SINK
——25mA
Low Output Voltage V
OL
—0.4 1VI
SINK
= 4 mA
Source Current I
SOURCE
——35mA
High Output Voltage V
OH
—V
DD
-0.4 V
DD
- 1 V I
SOURCE
= 4 mA (MCP73831)
Input Leakage Current I
LK
— 0.03 1 µA High-Impedance
PROG Input
Charge Impedance
Range
R
PROG
2—67k
Minimum Shutdown
Impedance
R
PROG
70 — 200 k
Automatic Power Down
Automatic Power Down
Entry Threshold
V
PDENTER
V
DD
<(V
BAT
+20 mV)
V
DD
<(V
BAT
+50 mV)
—3.5V V
BAT
V
REG
V
DD
Falling
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.
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