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參數(shù)資料
| 型號： | TLE6240GP |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 英文描述： | Smart 16-fold Low-Side Switch |
| 中文描述： | 智能16倍的低邊開關(guān) |
| 文件頁數(shù)： | 7/23頁 |
| 文件大?。?/td> | 814K |
| 代理商： | TLE6240GP |
Data Sheet TLE 6240 GP
V3.1
Page
26.Aug 2002
7
Functional Description
The TLE 6240 GP is an 16-fold low-side power switch which provides a serial peripheral in-
terface (SPI) to control the 16 power DMOS switches, and diagnostic feedback. The power
transistors are protected against short to V
BB
,
overload, overtemperature and against over-
voltage by active zener clamp.
The diagnostic logic recognizes a fault condition which can be read out via the serial diagnos-
tic output (SO).
Circuit Description
Power Transistor Protection Functions
7)
Each of the 16 output stages has its own zener clamp, which causes a voltage limitation at the
power transistor when solenoid loads are switched off. The outputs are provided with a current
limitation set to a minimum of 1 A for channels 1 to 8 and 3 A for channels 9 to16.
Each output is protected by embedded protection functions. In the event of an overload or
short to supply, the current is internally limited and the corresponding bit combination is set
(early warning). If this operation leads to an overtemperature condition, a second protection
level (about 170 °C) will change the output into a low duty cycle PWM (selective thermal shut-
down with restart) to prevent critical chip temperatures.
SPI Signal Description
CS
- Chip Select. The system microcontroller selects the TLE 6240 GP by means of the
CS
pin. Whenever the pin is in a logic low state, data can be transferred from the μC and vice
versa.
CS
High to Low transition:
- Diagnostic status information is transferred from the power
outputs into the shift register.
- Serial input data can be clocked in from then on.
- SO changes from high impedance state to logic high or low
state corresponding to the SO bits.
CS
Low to High transition:
-
Transfer of SI bits from shift register into output buffers
.
To avoid any false clocking the serial clock input pin SCLK should be logic low state during
high to low transition of
CS
. When
CS
is in a logic high state, any signals at the SCLK and SI
pins are ignored and SO is forced into a high impedance state.
SCLK
- Serial Clock. The system clock pin clocks the internal shift register of the TLE
6240 GP. The serial input (SI) accepts data into the input shift register on the falling edge of
SCLK while the serial output (SO) shifts diagnostic information out of the shift register on the
7
)
The integrated protection functions prevent an IC destruction under fault conditions and may not be used in normal operation or perma-
nently
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| TLE6240GP_10 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:Smart 16-Channel Low-Side Switch |
| TLE6240GPAUMA1 | 制造商:Infineon Technologies AG 功能描述:Power Switch Lo Side 0.5A 36-Pin DSO EP 制造商:Infineon Technologies AG 功能描述:ENGINECONTROL_IC - Tape and Reel 制造商:Infineon Technologies AG 功能描述:IC SW SMART 16-CH LOWSIDE PDSO36 |
| TLE6240GPT | 制造商:Infineon Technologies AG 功能描述:Power Switch Lo Side 0.5A 36-Pin DSO T/R |
| TLE6244 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:18 Channel Smart Lowside Switch |
| TLE6244X | 功能描述:電源開關(guān) IC - 配電 18 CH. SMART LOW SIDE SWITCH RoHS:否 制造商:Exar 輸出端數(shù)量:1 開啟電阻（最大值）:85 mOhms 開啟時(shí)間（最大值）:400 us 關(guān)閉時(shí)間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
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