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參數(shù)資料
| 型號(hào)： | T6816 |
| 廠商： | Atmel Corp. |
| 英文描述： | 40-V Dual Hex Output Driver with Serial Input Control |
| 中文描述： | 40 - V雙六角控制的串行輸入輸出驅(qū)動(dòng)器 |
| 文件頁(yè)數(shù)： | 6/15頁(yè) |
| 文件大?。?/td> | 171K |
| 代理商： | T6816 |
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6
T6816
4595B–BCD–05/03
Power Supply Fail
In case of undervoltage at Pin VS, an internal timer is started. When the undervoltage
delay time (t
dUV
) programmed by the SCT bit is reached, the power supply fail bit (PSF)
in the output register is set and all outputs are disabled. When normal voltage is present
again, the outputs are enabled immediately. The PSF bit remains high until it is reset by
the SRR bit in the input register.
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
HS1-6
, I
LS1-6
). If V
VS
–V
HS1-6
or V
LS1-6
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 OLD bit set to low disables the open-
load function for this output.
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. Ther-
mal 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
HS1-6
, I
LS1-6
) 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 T6816:
1. Set bit SI in the input register to zero
2. Switch Pin 17 (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 or by Pin 17 (INH) switched back to
5 V.
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| T6816-TIQ | 40-V Dual Hex 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 |
|---|---|
| T6816_05 | 制造商:ATMEL 制造商全稱(chēng):ATMEL Corporation 功能描述:40-V Dual Hex Output Driver with Serial Input Control |
| T6816_08 | 制造商:ATMEL 制造商全稱(chēng):ATMEL Corporation 功能描述:40-V Dual Hex Output Driver with Serial Input Control |
| T6816_09 | 制造商:ATMEL 制造商全稱(chēng):ATMEL Corporation 功能描述:40-V Dual Hex Output Driver with Serial Input Control |
| T6816-TIQ | 制造商:ATMEL 制造商全稱(chēng):ATMEL Corporation 功能描述:40-V Dual Hex Output Driver with Serial Input Control |
| T6816-TIQ19 | 功能描述:IC DRIVER HEX DUAL 24V 28-SOIC RoHS:否 類(lèi)別:集成電路 (IC) >> PMIC - MOSFET，電橋驅(qū)動(dòng)器 - 內(nèi)部開(kāi)關(guān) 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 類(lèi)型:高端 輸入類(lèi)型:非反相 輸出數(shù):1 導(dǎo)通狀態(tài)電阻:85 毫歐 電流 - 輸出 / 通道:2A 電流 - 峰值輸出:6A 電源電壓:1.7 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:4-UFDFN 裸露焊盤(pán)，4-TMLF? 供應(yīng)商設(shè)備封裝:4-TMLF?（1.2x1.6） 包裝:剪切帶 (CT) 其它名稱(chēng):576-1574-1 |
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