On Semiconductor NCV78663 Evaluation Kit and Daughter Board NCV786XXAR10GEVK NCV786XXAR10GEVK Data Sheet
Product codes
NCV786XXAR10GEVK
NCV78663
http://onsemi.com
2
VBB
VDRIVE
VBOOST
VBOOSTM3V
VREGM3V
VBOOST_AUXSUP
VREG10V
VDD
I sense
Driver
POWER STAGE
IBCKxSENSE+
IBCKxSENSE−
VINBCKx
LBCKSWx
VLEDx
Buck regulator X 2
VTEMP1
VTEMP2
BOOST PREDRV
VGATE
VREG3V
IBSTSENSE+
VREF
VDD
ILIM detector
IBSTSENSE−
VDD
BGAP
VDD
POR3V
VDD
OSC4M
VDD
OSC16M
VBOOST
ADC
8
VBB
MUX
Channel
selector
VLED1
VLED2
Buffer
Buffer
DIAGx
LEDCTRLx
SPI bus
VDD
BIAS
VDD
TEMPdet
‘
OTP
ROM
3V output
40V input
5V in / OD out
Figure 1. Internal Block Diagram
Fixed Toff Time