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參數資料
| 型號： | L6382D5TR |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO20 |
| 封裝： | ROHS COMPLIANT , SOP-20 |
| 文件頁數： | 3/21頁 |
| 文件大小： | 267K |
| 代理商： | L6382D5TR |
L6382D5
Application information
11/21
5
Application information
5.1
Power management
The L6382D5 has two stable states (save mode and operating mode) and two additional
states that manage the Start-up and fault conditions: the Over Current Protection is a
parallel asynchronous process enabled when in operating mode Figure 4.
Following paragraphs will describe each mode and the condition necessary to shift between
them.
Figure 4.
State diagram
5.2
START-UP mode
With reference to the timing diagram of figure 6, when power is first applied to the converter,
the voltage on the bulk capacitor (Vin) builds up and the HV generator is enabled to operate
drawing about 10mA. This current, diminished by the IC consumption (less than 150A),
charges the bypass capacitor connected between pin Vcc and ground and makes its voltage
rise almost linear.
During this phase, all IC's functions are disabled except for:
●
the current sinking circuit on VREF pin that maintains low the voltage by keeping
disabled the microcontroller connected to this pin;
●
the High-Voltage Start-Up (HVSU) that is ON (conductive) to charge the external
capacitor on pin Vcc.
As the Vcc voltage reaches the start-up threshold (14V typ.) the chip starts operating and
the HV generator is switched off.
SAVE MODE
OPERATING
MODE
SHUT DOWN
V
CC>VCC(ON)
V
CC<VREF(OFF)
V
REF>4.6V
&
T
DE>10s
LGI low
for more
than 100
s
START-UP
V
CC < VCC(OFF)
or
V
REF<3.2V
V
CC<VCC(ON)
V
CC<VREF(OFF)
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相關代理商/技術參數 |
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|---|---|
| L6382DTR | 功能描述:電池管理 Pwr management unit RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| L6384 | 功能描述:功率驅動器IC Hi-Volt Half Bridge RoHS:否 制造商:Micrel 產品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| L6384 | 制造商:STMicroelectronics 功能描述:600V HALF BRIDGE DRIVER 6384 DIP8 |
| L6384D | 功能描述:功率驅動器IC Hi-Volt Half Bridge RoHS:否 制造商:Micrel 產品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| L6384D | 制造商:STMicroelectronics 功能描述:IC MOSFET DRIVER HALF BRIDGE ((NW)) |
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