MLX81200 Datasheet, PDF (3/15 Pages) Melexis Microelectronic Systems – BLDC Motor Controller

MLX81200
BLDC Motor Controller
Functional Diagram
VS
VDDV 18
SW0
SW1
SW2
SW3
SW4
SW5
SW6
SW7
LIN
GND
VDDR5 VDDV5 V5EXT
CLKO
5V/1.8V
Supply
Aux. Supply
CP
RC-OSC.
Level
300kHz
shifter
fRC
POR
Voltage
Monitor
Temp
Reset Analog
Watchdog
12V Ref
ISENSU
Vs
ISENSU
ISENSL
V5EXT
U
V
W
SW0
...
SW7
MUX
Ref Mux
10 bit ADC
I/O Register
Internal Communication Interface
Motor Control
Unit
Pre-Driver
Control
8 bit DAC
ISENSL
LIN-
PHY
Internal Communication Interface
MelexCM
f_PLL
P_f^P_Of^Pr_OfSfO^r_Oe_fCS^r_OS^e_fCS,O^es_CSfC,O^s_fCS/,^sc_2OfCS/O^c_25SC/^ca_2S5/C6^a_1C5/6^al_16/6^le₁₆^le_,6^er_, ^r_,^r
DDDuuaualalClCCoomommppaparaerere
116166bbbiitittTTTIIMIMMEEERRR
Watchdog
DDDuuaualalClCCaapaptpututruerere
PWM Control
50Hz...100 kHz
PWMO
CCCoomommppaparaerereoononn/o/o/fofffff
8_w⁸_w⁸_iwtib_ht^b_iht^b_Pi_hⁱ_Pt_e^it_Per^tC_ier^C_oir^C_odio_od^o_rd^ou_er^u_egr^un_egiⁿ_sgi^nt_sti^t_ee_st^te_ert^er_er^r_r^r
Interrrupt
Controller
Appl. CPU
MLX16
Comm. CPU
MLX4
f_PLL
ddCdeCeClevvlovlioiodcidcdkceekekrrr
RAM
2kbyte
M
Flash
M
30kbyte
U
with ECC
EEPROM
128byte
UART
SPI
LIN-SBI
PLL
fPLL 30MHz
fOSC
f_RC
(1.3 and 2.0)
External Communication Interface
Test
controller
Multi-
CPU
debugger
CP
Pre-
Driver
CP
Pre-
Driver
CP
Pre-
Driver
IO0 IO1 IO2 IO3
IO4 IO5
Figure 1 - Block Diagram
TI0 TI1 TO
CWD
VREF
VBAT_S1
VBAT_S2
GND_S1
GND_S2
T
CP0
HS0
U
LS0
CP1
HS1
V
LS1
CP2
HS2
W
LS2
GND
MLX81200 Product Abstract
Page 3 of 15
June/2012
Rev 2.4