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參數(shù)資料
| 型號： | TPS65552ADGQRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 3 A BATTERY CHARGE CONTROLLER, PDSO10 |
| 封裝： | GREEN, POWERPAD, PLASTIC, MSOP-10 |
| 文件頁數(shù)： | 20/20頁 |
| 文件大?。?/td> | 621K |
| 代理商： | TPS65552ADGQRG4 |
www.ti.com
PRODUCT
PREVIEW
Programming Peak Current
0.80
1
1.20
1.40
1.60
1.80
2
0
0.5
1
1.5
2
2.5
3
3.5
V(I_PEAK) [V]
I(SW)
[A]
IGBT Driver Control
TPS65552A
SLVS567 – JULY 2005
The TPS65552A provides a method to program I(PEAK) through the input voltage of the I_PEAK terminal. Figure 7
shows how to program I(PEAK).
I_PEAK input is treated as a logic input, when its voltage is below V(PKL) (0.6 V) and above V(PKH) (2.4 V).
Between V(PKL) and V(PKH), I_PEAK input is treated as an analog input. Using this characteristic, I(PEAK) can be set
by the logic signal or by an analog input.
Typical usages of this function are:
1. Charging I(PEAK) depends on the battery voltage. Large I(PEAK) for an adequate battery, small I(PEAK) for a poor
battery.
2. Reducing I(PEAK) when zooming lens (motor works); this avoids shutdown of the battery with a large current
output.
In Figure 1, three optional connections to I_PEAK are shown.
1. Use the controller to treat I_PEAK as the logic input pin. This option is the easiest.
2. Use a D/A converter to force I(PEAK) to follow analog information, such as battery voltage.
3. Use an analog circuit to achieve the same results as the D/A converter.
Figure 7. I_PEAK vs I(SW)
The IGBT driver provided by the TPS65552A is a simple buffer in the logical table. Table 3 shows the function
(see Figure 4).
Table 3. IBGT Driver Function Table
F_ON
G_IGBT
L
H
9
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPS65552ARGTR | 功能描述:其他電源管理 Intgrtd Photo Flash Charger & IGBT Drv RoHS:否 制造商:Texas Instruments 輸出電壓范圍: 輸出電流:4 mA 輸入電壓范圍:3 V to 3.6 V 輸入電流: 功率耗散: 工作溫度范圍:- 40 C to + 110 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-48 封裝:Reel |
| TPS65552ARGTRE3 | 功能描述:其他電源管理 Intgrtd Photo Flash Charger & IGBT Drv RoHS:否 制造商:Texas Instruments 輸出電壓范圍: 輸出電流:4 mA 輸入電壓范圍:3 V to 3.6 V 輸入電流: 功率耗散: 工作溫度范圍:- 40 C to + 110 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-48 封裝:Reel |
| TPS65552ARGTT | 制造商:Texas Instruments 功能描述:INTEGRATED PHOTO FLASH CHARGER AND IGBT DRIVER - Tape and Reel |
| TPS6555XEVM-097 | 功能描述:電源管理IC開發(fā)工具 TPS6555X-097 Eval Mod RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| TPS65560EVM-165 | 功能描述:電源管理IC開發(fā)工具 FL CHARGER AND IGBT DRIVER RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
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