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| 型号： | LTC4006EGN-6#TR |
| 厂商： | Linear Technology |
| 文件页数： | 10/20页 |
| 文件大小： | 0K |
| 描述： | IC BATT CHGR CC/CV LI-ION 16SSOP |
| 标准包装： | 2,500 |
| 功能： | 充电管理 |
| 电池化学： | 锂离子（Li-Ion） |
| 电源电压： | 6 V ~ 28 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SSOP（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-SSOP |
| 包装： | 带卷 (TR) |
LTC4006
OPERATIO
Table 2. Truth Table for LTC4006 Operation (Supplemental)
FROM
TO
BAT
PRESENT C/10
NEXT C/10
MAX BAT
TIMER
NUMBER
1
2
STATE
Any
MSD
STATE
MSD
SD
MODE
Shut Down by Low Adapter Voltage
Charge Shutdown
DCIN
<BAT
>BAT
VOLTAGE
LATCH
LATCH
0
0
CURRENT
OFF
OFF
ACP/SHDN
LOW
HIGH
STATE
Reset
Reset
CHG*
HIGH
HIGH
3
SD,
SD
Shut Down by Undervoltage Lockout
>BAT
OFF
HIGH
Reset
HIGH**
CONDITION,
CHARGE
and
<UVL
4
SD
CONDITION
Start Conditioning a Depleted Battery
>BAT
<2.5V/Cell
10% Programmed
HIGH
LOW
Current
5
CONDITION
CONDITION
Input Current Limited Condition Charging
>BAT
<2.5V/Cell
<10% Programmed
HIGH
Running
LOW
Current (Note 2)
6
CONDITION
CONDITION
Conditioning a Depleted Battery
>BAT
<2.5V/Cell
10% Programmed
HIGH
Running
LOW
Current
7
CONDITION
CONDITION
Timer Defeated. (Low-Battery Conditioning Still
>BAT
<2.5V/Cell
10% Programmed
HIGH
Ignored
Forced LOW
Functional)
Current
8
CONDITION
SD
Charger Paused Due to Thermistor Out of Range
>BAT
<2.5V/Cell
OFF
HIGH
Paused
LOW
(Faulted)
9
CONDITION
SD
Timeout in CONDITION Mode
>BAT
<2.5V/Cell
OFF
HIGH
>T/4
HIGH
(Faulted)
10
11
CONDITION
CONDITION
SD
CHARGE
Shut Down by ACP/SHDN Pin
Start Normal Charging
>BAT
>BAT
<2.5V/Cell
>2.5V/Cell
0
OFF
Programmed
Forced LOW
HIGH
Reset
Running
HIGH
Current
12
CHARGE
CHARGE
Timer Defeated. (Low-Battery Conditioning Still
>BAT
>2.5V/Cell
Programmed
HIGH
Ignored
Forced LOW
Functional)
Current
13
SD
CHARGE
Restart
>BAT
2.5V ≤ V BAT ≤ 3.9V
0
Programmed
HIGH
Reset
(V/Cell)
Current
14
CHARGE
CHARGE
Top-Off Charging
>BAT
>3.9V/Cell
0
Programmed
HIGH
Running
LOW
Current
15
CHARGE
CHARGE
C/10 Latch is SET when Battery Current is Less
>BAT
>2.5V/Cell
1
Programmed
HIGH
Reset
25 μ A
Than 10% of Programmed Current
Current
16
CHARGE
CHARGE
Top-Off Charging
>BAT
>3.9V/Cell
1
Programmed
HIGH
Running
25 μ A
Current
17
CHARGE
CHARGE
Input Current Limited Charging
>BAT
>2.5V/Cell
<Programmed
HIGH
Current (Note 2)
18
CHARGE
SD
Charger Paused Due to Thermistor Out of Range
>BAT
>2.5V/Cell
OFF
HIGH
Paused
LOW or 25 μ A
(Faulted)
19
20
CHARGE
CHARGE
SD
SD
Shut Down by ACP/SHDN Pin
Terminated by Low-Battery Fault (Note 1)
>BAT
>BAT
>2.5V/Cell
<2.5V/Cell
0
0
OFF
OFF
Forced LOW
HIGH
Reset
>T/4 then Reset
HIGH
HIGH
(Faulted)
21
22
CHARGE
CHARGE
SD
SD
Terminates After 1/4 T
Terminates After T
>BAT
>BAT
V FLOAT
V FLOAT **
1
0
OFF
OFF
HIGH
HIGH
>T/4 then Reset
>T/4 then Reset
HIGH
HIGH
Note 1: If a depleted battery is inserted while the charger is in this state,
the charger must be reset to initiate charging.
Note 2: See section on “Adapter Limiting”.
LTC4006: State Diagram (Supplemental)
Note 3: The information contained in this table is supplemental to the
LTC4006 data sheet and has not been production qualified.
Note 4: Blank fields indicate no change, not considered, or other states
MASTER
SHUTDOWN
2
1
ANY
impact value.
*Open Drain. High when used with pull-up resistor.
** Most probable condition.
SHUTDOWN
4
3, 8,
9, 10
13
5,
6,
7
CONDITION
3, 18, 19,
20, 21, 22
11
CHARGE
12, 14, 15, 16, 17
4006 F15
4006fa
10
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