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NXP Semiconductors
KTFRDM24XS4EVBUG
24 V multipurpose low R
DS(on)
eXtreme switch evaluation board user guide
KTFRDM24XS4EVBUG
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2017. All rights reserved.
User guide
Rev. 1 — 22 May 2017
7 / 21
4.5 Internal block diagram
I
UP
VREG
IUP
IDWN
aaa-026845
GND
SYNC
CSNS
CLOCK
SI
SO
IN0
IN1
CONF0
CONF1
FSOB
FSB
SCLK
CSB
VDD
RSTB
HS1
SELECTABLE
OVERCURRENT
DETECTION
SELECTABLE SLEW RATE
GATE DRIVER
DRAIN/GATE
CLAMP
CHARGE
PUMP
OVER/
UNDERVOLTAGE
PROTECTIONS
POR
INTERNAL
REGULATOR
V
DD
FAILURE
DETECTION
SEVERE SHORT-CIRCUIT
DETECTION
CONTROL
LOGIC
OPEN-LOAD
DETECTION
SHORT-CIRCUIT TO
VPWR DETECTION
OVERTEMPERATURE
DETECTION
PWM
MODULE
*
CALIBRATABLE
OSCILLATOR
*
OVERTEMPERATURE
PREWARNING
* blocks have been implemented
independently for each of both channels
TEMPERATURE
FEEDBACK
OUTPUT
CURRENT SENSE
ANALOG MUX
VPWR
HS0
HS1
HS0
V
REG
Figure 3. Internal block diagram