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UBA2014 View Datasheet(PDF) - NXP Semiconductors.

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Description
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UBA2014
NXP
NXP Semiconductors. NXP
UBA2014 Datasheet PDF : 19 Pages
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6. Block diagram
5
GND
1
CT
VDD
VREF
7
14
3V
SUPPLY
reference
voltages
digital
supply (5 V)
analog
VDD(L)
PREHEAT TIMER
reset
LOGIC
Vpd
BOOTSTRAP
UBA2014
DRIVER
LOGIC
STATE LOGIC
reset state
start-up state
preheat state
ignition state
burn state
hold state
power-down state
LEVEL
SHIFTER
HS
DRIVER
LS
DRIVER
9
FVDD
10
GH
11
SH
6
GL
ANT/ CMD
12
ACM
PCS
8
PCS
VOLTAGE
CONTROLLED
OSCILLATOR
REFERENCE
I
CURRENT
V
4
3
IREF
CF
Fig 1. Block diagram
LAMP
VOLTAGE
SENSOR
Vlamp(fail)
Vlamp(max)
13
LVS
LOGIC
FREQUENCY
CONTROL
AVERAGE
CURRENT
SENSOR
2
CSW
15
CSP
16
CSN
mgw579
 

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