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參數(shù)資料
| 型號(hào)： | TLE6214L |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 英文描述： | Smart Dual Current Sense Switch |
| 中文描述： | 智能雙電流檢測開關(guān) |
| 文件頁數(shù)： | 5/17頁 |
| 文件大?。?/td> | 344K |
| 代理商： | TLE6214L |
Current Sense Precision (single channel)
3
I
FB
/ I
OUT
I
D
= 1A – 5A; U
CO1
≥
2V
Functional Description
The TLE 6214 L is a dual-low-side power switch which has two parallel inputs to control the 2
power DMOS switches, as well as by an 8-Bit SPI for control and diagnostic feedback. The
power transistors are protected
1)
against short circuit, overload (current limitation), overtem-
perature and against overvoltage by an active zener clamp. The IC has a load current propor-
tional current output for current control applications.
The diagnostic logic recognises a fault condition which can be read out via the SPI or the par-
allel status outputs (depending on the IC configuration).
Output Stage Control: Parallel Control or SPI Control
The Output stages can be controlled by parallel Inputs or by SPI command. The IC can be pro-
grammed (by SPI) to switch the outputs according to the parallel input signal, to the corresponding SPI
command bit or to a combination of these two signals.
Both, parallel inputs and respective SPI databits are high
active.
Truth table for Output control
Input control sig-
nal Channel n
parallel
Input
Bit
control
control
OR
AND
0
0
off
off
off
off
0
1
off
on
on
off
1
0
on
off
on
off
1
1
on
on
on
on
Each output is independently controlled by an output latch.
A logic high input ‘data bit’ turns the respective output chan-
nel ON, a logic low ‘data bit’ turns it OFF.
Switching speed / Slew rate:
The switching speed / slew rate of both channels can be configured by SPI for slow or fast switching
speed (1:5) for each channel individually.
Overtemperature Behaviour:
Each channel has an overtemperature sensor and is individually protected against overtemperature.
As soon as overtemperature occurs the channel is immediately turned off (without fault filtering time)
and the overtmperature information is reported by diagnosis. In this case there are two different behav-
iours of the affected channel that can be selected by SPI (for all channels generally).
Autorestart
: as long as the input signal of the channel remains on (e.g. parallel input high) the channel
turns automatically on again after cooling down.
Latching
: After overtemperature shutdown the channel stays off until the overtemperature latch is re-
set by a new L
H transition of the input signal.
Note: The overtemperature sensors of the output channels are only active if the channel is turned on.
As soon as the IC temperature (Temperature of the whole IC) reaches a specified level an overtem-
perature warning will be indicated.
1
)The integrated protection functions prevent an IC destruction under fault conditions and may not be used in
normal operation or permanently.
Preliminary Datasheet TLE 6214 L
V2 Preliminary
Page
25.06.2003
5
P
IS
0.9
1.0
1.1
mA
/ A
Output Channel n
SPI
parallel
serial
logic
logic
OR
AND
IN 1,2
Serial Input bits
command channels on / off“
Output
Driver
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| TLE6214L_04 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:Smart Dual Current Sense Switch |
| TLE6214LNT | 制造商:Infineon Technologies AG 功能描述:Current Limit SW 2-IN 2-OUT -0.3V to 7V 8A/12A 12-Pin DSO |
| TLE6214LT | 制造商:Infineon Technologies AG 功能描述:Current Limit SW 2-IN 2-OUT -0.3V to 7V 8A/12A 12-Pin DSO T/R |
| TLE6215G | 功能描述:IC LOW SIDE SWITCH 2CHAN PDSO-24 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:1,000 系列:- 類型:高端/低端驅(qū)動(dòng)器 輸入類型:SPI 輸出數(shù):8 導(dǎo)通狀態(tài)電阻:850 毫歐，1.6 歐姆 電流 - 輸出 / 通道:205mA，410mA 電流 - 峰值輸出:500mA，1A 電源電壓:9 V ~ 16 V 工作溫度:-40°C ~ 150°C 安裝類型:表面貼裝 封裝/外殼:20-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:PG-DSO-20-45 包裝:帶卷 (TR) |
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