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TLE7809G Datasheet(PDF) 9 Page - Infineon Technologies AG

Part # TLE7809G
Description  Integrated double low-side switch, high-side/LED driver, hall supply, wake-up inputs and LIN communication with embedded MCU (16kB Flash)
PDF  52 Pages
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Manufacturer  INFINEON [Infineon Technologies AG]
Direct Link  http://www.infineon.com
Logo INFINEON - Infineon Technologies AG

TLE7809G Datasheet(HTML) 9 Page - Infineon Technologies AG

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Data Sheet
9
Rev. 3.01, 2008-04-15
TLE7809G
Operating Modes
4
Operating Modes
The TLE7809G incorporates several SBC operating modes, that are listed in Table 1.
The System-Basis-Chip (SBC) offers several operation modes that are controlled via three mode select bits MS0,
MS1 and MS2 within the SPI: SBC Active, Sleep and Stop mode, as well as LIN Receive-Only mode.
An overview of the operating modes and the operating mode transitions is indicated in Figure 4 below.
Note: It is possible to directly change from Stand-By to Stop or Sleep mode, however this might result in a higher
current consumption (~200µA). The higher current consumption will occur in case of a power up and in case
of a LIN wake-up from Stop and Sleep mode. To avoid this conditions its recommended to prior set Active
mode before changing to Stop or Sleep mode.
Table 1
SBC Operating Modes
Functional Block
SBC Standby
Mode
SBC Active Mode SBC Stop Mode
SBC Sleep Mode
V
CC, 5 V, LDO
ONONON
OFF
Window Watchdog
ON
ON
OFF / ON1)2)
1) WD “off” when voltage-regulator output current below “watchdog disable current threshold”
OFF / ON2)
2) WD default “off” in SBC Stop / Sleep Mode; WD can be active in order to generate period wake-ups of SBC
Monitoring / wake-up pins
ON / OFF3)
SPI-controlled
ON / OFF3)
ON / OFF3)
LS1,LS2 -switch
OFF
SPI-controlled
OFF
OFF
Supply Output
ON / OFF3)
3) “ON / OFF” state is inherited from previous operating mode (“OFF” after POR and RESET)
SPI-controlled
ON / OFF3)
OFF
HS-LED
OFF
SPI-controlled
OFF
OFF
16-bit SPI
ON
ON
ON
OFF
LIN wake-up via bus
message
ON
OFF
ON
ON
LIN Transmit
OFF
ON
OFF
OFF
LIN Receive
OFF
ON
OFF
OFF
RxD
Active low wake-up
interrupt
L / H
Active low wake-up
interrupt
Active low wake-up
interrupt
Measurement I/F
OFF
SPI-controlled
OFF
OFF
VAREF
OFF
ON (2.5V)
OFF
OFF
Voltage Monitoring at
V
S
and
V
BAT
OFF
ON
OFF
OFF



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