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NXP Semiconductors Electronic Components Datasheet

MC08XS6421BEK Datasheet

high-side switch

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NXP Semiconductors
Data sheet: Advance Information
Document Number: MC12XS6D4
Rev. 4.0, 11/2018
Dual 8.0 mOhm and dual 21 mOhm
high-side switch
MC08XS6421BEK; MC08XS6421CEK
The 12XS6 is the latest SMARTMOS achievement in automotive lighting drivers.
It belongs to an expanding family that helps to control and diagnose incandescent
lamps and light-emitting diodes (LEDs) with enhanced precision. It combines
flexibility through daisy chainable SPI 5.0 MHz, extended digital and analog
feedback, safety, and robustness.
Output edge shaping helps to improve electromagnetic performance. To avoid
shutting off the device upon inrush current, while still being able to closely track
the load current, a dynamic overcurrent threshold profile is featured. Current of
each channel can be sensed with a programmable sensing ratio. Whenever
communication with the external microcontroller is lost, the device enters a fail
operation mode, but remains operational, controllable, and protected.
This new generation of high-side switch products family 12XS6 facilitates ECU
design due to compatible MCU software and PCB foot prints for each device
variant.
Features
• Dual 8.0 mΩ and dual 21 mΩ high-side switches with high transient current
capability
• 16-bit 5.0 MHz SPI control of overcurrent profiles, channel control including
PWM duty-cycles, output On and Off openload detections, thermal shut-down
and prewarning, and fault reporting
• Output current monitoring with programmable synchronization signal and
battery voltage feedback
• Limp home mode
• External smart power switch control
• Operating voltage is 7.08 V to 18 V with sleep current < 5.0 µA, extended
mode from 6.08 V to 28 V
• -16 V reverse polarity and ground disconnect protections
• Compatible PCB foot print and SPI software driver among the family
QUAD HIGH-SIDE SWITCH
BEK SUFFIX (PB-FREE)
98ASA00368D
32-PIN SOICW-EP
CEK SUFFIX (PB-FREE)
98ASA00894D
32-PIN SOICW-EP
Applications
• Low-voltage automotive lighting
• Halogen lamps
• Incandescent bulbs
• Light-emitting diodes (LEDs)
• HID Xenon ballasts
VBAT
VBAT VCC
5.0 V
Regulator
GND
VCC
Main
MCU
GND
SO
CSB
SCLK
SI
RSTB
CLK
A/D1
TRG1
PORT
PORT
PORT
PORT
PORT
A/D2
08XS6421
VCC
SI
CSB
SCLK
SO
RSTB
CLK
CSNS
SYNCB
LIMP
IN1
IN2
IN3
IN4
GND
VBAT
CP
OUT1
OUT2
OUT3
OUT4
OUT6
VBAT
IN VBAT OUT
Smart Power
CSNS GND
Figure 1. Dual 8.0 mΩ and dual 21 mΩ simplified application diagram
*This document contains certain information on a new product.
Specifications and information herein are subject to change without notice.
© 2018 NXP B.V.


NXP Semiconductors Electronic Components Datasheet

MC08XS6421BEK Datasheet

high-side switch

No Preview Available !

1 Orderable parts
This section describes the part numbers available to be purchased along with their differences. Valid orderable part numbers are provided
on the web. To determine the orderable part numbers for this device, go to http://www.nxp.com and perform a part number search for the
following device numbers.
Table 1. Orderable part variations
Part number
Notes Temperature (TA)
Package
MC08XS6421BEK
MC08XS6421CEK
(1)
-40 °C to 125 °C
SOICW 32-pin
exposed pad
Notes
1. To order parts in tape and reel, add the R2 suffix to the part number.
OUT1
RDS(on)
21 mΩ
OUT2
RDS(on)
21 mΩ
OUT3
RDS(on)
8.0 mΩ
OUT4
RDS(on)
8.0 mΩ
OUT6
Yes
12XS6D4
2
NXP Semiconductors


Part Number MC08XS6421BEK
Description high-side switch
Maker NXP
Total Page 3 Pages
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