TLE6368_06 Datasheet, PDF (50/59 Pages) Infineon Technologies AG – Multi-Voltage Processor Power Supply

TLE 6368 / SONIC
5
Application Information
5.1 Application Diagram
R_Boost
22 Ω
Battery
DBOOST
TLE 6368
L_I
Up to
47 µH
C_I1
+
100 nF
C
BOOST
100 nF
C_I2
47 µF
BOOST
2* IN
C
I3
10 to
100 nF SLEW
R_Slew
0 to
20 kΩ
OSZ
Standby
Regulator
2.5 V
Q_STB
C
STB
100 nF
Driver
SW 2*
Buck
Regulator
BOOTSTRAP
C_BTSTR
680 nF
Error-
Amplifier _Internal
PWM
Reference
Feedback
L_B
Buck
Output
47 µH
DB
+
3 A,
60 V
C_B
> 10 µF
ceramic or
> 20 µF
low ESR
tantalum
To
IGN
10 kΩ
Protection
Q_LDO1
10 kΩ 10 kΩ 10 kΩ
WAKE
R1
Power
Down
Logic
To
R2
Reset
µC
Logic
R3
Window
Watchdog
10 kΩ
CLK
10 kΩ
CS
SPI
To
10 kΩ
16 Bit
DI
µC
1 kΩ
DO
ERR
Charge
Pump
Lin. Reg.
5V
Lin. Reg.
3.3/2.6 V
Lin. Reg.
5/3.3 V
Ref
Tracker
5V
Ref
Tracker
5V
Ref
Tracker
5V
Ref
Tracker
5V
Ref
Tracker
5V
Ref
Tracker
5V
GND
4*
FB/L_IN 2*
C+
C
FLY
C-
100 nF
CCP
SEL
Q_LDO1
Q_LDO2
Q_LDO3
Q_T1
Q_T2
Q_T3
Q_T4
Q_T5
Q_T6
C_CCP
220 nF
C_LDO1,1 +
470 nF
C_LDO2,1 +
470 nF
C_LDO1,2
4.7 µF
C_LDO2,2
4.7 µF
µ-Controller/
Memory
Supply
C_LDO3,1 +
470 nF
C_LDO3,2
4.7 µF
C_T1
1 µF
C_T2
1 µF
C_T3
1 µF
C_T4
1 µF
Sensor
Supplies
(off board
supplies)
C_T5
1 µF
C_T6
1 µF
AEA03380ZR.VSD
Figure 14 Application Diagram
Data Sheet
50
Rev. 2.2, 2006-12-01