MLX81205_15 Datasheet, PDF (5/18 Pages) Melexis Microelectronic Systems – BLDC Motor Controller

MLX81205/07
2. Functional Diagram
RTG VDDA CLKO
OSC1 OSC2
VREF
VS
VDDD
IOHV
IO1
IO2
IO3
IO4
IO5
LIN
GNDA
GNDD
GNDCAP
GNDDRV
Supply
Regulator
Aux. Supply
Level
shifter
RC-
OSC.
XTAL
OSC
Divider / PLL
fmain
VS
VREF
ISENSH
ISENSL
TEMP
VBAT_S1
VBAT_S2
GND_S1
GND_S2
U
V
W
T
PHASEINT
IOHV
IO1
...
IO9
......
ADC
Div
+
MUX
fmain
POR
Voltage
Monitor
Temp
10 Bit ADC
......
I/O
Reg
LIN-
PHY
Interrrupt
Controller
Clock
Independent
Watchdog
UART
SPI
PWMD
Common
Timer
Melexis
Integrated
LIN
Protocol
Boot loader
MLX16-FX
Core
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ADC SPI
RAM
M
M
Flash
U
EEPROM
Digital
Watchdog
CPU
debugger
Test controller
Reference
Voltage
8 bit DAC
Slope
controlled
Pre-Driver
VDS
monitor
Motor
Control
Unit
Slope
controlled
Pre-Driver
VDS
monitor
Slope
controlled
Pre-Driver
VDS
monitor
TI0 TI1 TO
Figure 1 – Block Diagram
Colour legend:
Black: common for MLX81205 and MLX81207
Blue: additional pins or functionality for MLX81207
VBAT_S1
VBAT_S2
CP0
HS0
LS0
U
CP1
HS1
LS1
V
CP2
HS2
LS2
W
T
390108120502
Rev. 4.7
Page 5 of 18
Product Abstract
11/2/2015