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參數(shù)資料
| 型號(hào)： | T6817 |
| 廠商： | Atmel Corp. |
| 英文描述： | Dual Triple DMOS Output Driver with Serial Input Control |
| 中文描述： | 三DMOS的雙串行輸入控制輸出驅(qū)動(dòng)器 |
| 文件頁數(shù)： | 6/15頁 |
| 文件大?。?/td> | 184K |
| 代理商： | T6817 |
6
T6817
4670A–BCD–02/03
Open-load Detection
If the open-load detection bit (OLD) is set to low, a pull-up current for each high-side
switch and a pull-down current for each low-side switch is turned on (open-load detec-
tion current I
HS1-3
, I
LS1-3
). If V
VS
-V
HS1-3
or V
LS1-3
is lower than the open-load detection
threshold (open-load condition), the corresponding bit of the output in the output register
is set to high. Switching on an output stage with the OLD bit set to low disables the
open-load function for this output. If bit SI is set to low, the open-load function is also
switched off.
Overtemperature
Protection
If the junction temperature exceeds the thermal prewarning threshold, T
jPW set
, the tem-
perature prewarning bit (TP) in the output register is set. When the temperature falls
below the thermal prewarning threshold, T
jPW reset
, the bit TP is reset. The TP bit can be
read without transferring a complete 16-bit data word: with CS = high to low, the state of
TP appears at Pin DO. After the microcontroller has read this information, CS is set high
and the data transfer is interrupted without affecting the state of the input and output
registers.
If the junction temperature exceeds the thermal shutdown threshold, T
j switch off
, the out-
puts are disabled and all bits in the output register are set high. The outputs can be
enabled again when the temperature falls below the thermal shutdown threshold,
T
j switch on
, and when a high has been written to the SRR bit in the input register. Thermal
prewarning and shutdown threshold have hysteresis.
Short-circuit Protection
The output currents are limited by a current regulator. Current limitation takes place
when the overcurrent limitation and shutdown threshold (I
HS1-3
, I
LS1-3
) are reached.
Simultaneously, an internal timer is started. The shorted output is disabled when during
a permanent short the delay time (t
dSd
) programmed by the short-circuit timer bit (SCT)
is reached. Additionally, the short-circuit detection bit (SCD) is set. If the temperature
prewarning bit TP in the output register is set during a short, the shorted output is dis-
abled immediately and SCD bit is set. By writing a high to the SRR bit in the input
register, the SCD bit is reset and the disabled outputs are enabled.
Inhibit
There are two ways to inhibit the T6817:
1.
2.
Set bit SI in the input register to zero
Switch Pin 5 (INH) to 0 V
In both cases, all output stages are turned off but the serial interface stays active. The
output stages can be activated again by bit SI = 1 and by Pin 5 (INH) switched back to
5 V.
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| T6817-TKQ | Dual Triple DMOS Output Driver with Serial Input Control |
| T6817-TKS | Dual Triple DMOS Output Driver with Serial Input Control |
| T6818 | Triple Halfbridge DMOS OUTPUT DRIVER WITH SERIAL INPUT CONTROL |
| T6818-TUQ | Triple Halfbridge DMOS OUTPUT DRIVER WITH SERIAL INPUT CONTROL |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| T6817_05 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Dual Triple DMOS Output Driver with Serial Input Control |
| T6817_07 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Dual Triple DMOS Output Driver with Serial Input Control |
| T6817_09 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Dual Triple DMOS Output Driver with Serial Input Control |
| T6817-TKQ | 功能描述:IC DRIVER DUAL TRPL DMOS 20-SSOP RoHS:否 類別:集成電路 (IC) >> PMIC - MOSFET，電橋驅(qū)動(dòng)器 - 內(nèi)部開關(guān) 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:高端 輸入類型:非反相 輸出數(shù):1 導(dǎo)通狀態(tài)電阻:35 毫歐 電流 - 輸出 / 通道:- 電流 - 峰值輸出:3A 電源電壓:2.7 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:14-TSSOP 包裝:帶卷 (TR) 其它名稱:MIC2545A-1YTSTRMIC2545A-1YTSTR-ND |
| T6817-TKQY | 功能描述:功率驅(qū)動(dòng)器IC Dual Triple Driver RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時(shí)間: 下降時(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
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