Freescale AN4473 Dual 16 mohm high-side switch Datasheet

Analog, Mixed-Signal and Power Management
MC16XSD200
Dual 16 mOhm High-Side Switch
Target Applications
Overview
• Industrial (12 V and 24 V systems)
The MC16XSD200 device is part of a 36 V high-side switch product family with
• Halogen bulbs
integrated control and a high number of protective and diagnostic functions. It is
• Light-emitting diodes (LEDs)
designed for industrial applications. The low RDS(on) channels (< 16 mΩ) can control
• Low-voltage industrial lighting
different load types, including bulb lamps, solenoids or DC motors.
• DC motors
Control, device configuration and diagnostics are performed through a 16-bit serial
peripheral interface (SPI), allowing easy integration into existing applications. Both
channels can be controlled individually by external or internal clock signals, or by direct
inputs. Using the internal clock allows fully autonomous device operation. Programmable
output voltage slew rates (individually programmable) help improve electromagnetic
compatibility (EMC) performance.
Simplified Application Drawing
9''
9''
93:5
;6'
,2
,2
6&/.
&6%
6,
0&8 ,2
62
,2
,2
*1'
,2
$'
$'
9''
93:5
&/2&.
)6%
6&/.
+6
&6%
62
567%
6,
+6
,1
,1
&21)
&21)
)62%
6<1&
&616 *1'
/2$'
0 /2$'
A dynamic overcurrent threshold profile is
utilized to avoid shutting off the device due
Product Features and Benefits
to inrush current while still being able to
Features
Benefits
closely track the load current. Switching
Two fully protected 16 mΩ (@ 25 °C)
high-side switches
Offers an intelligent high-side switch for 24 V industrial
applications
Up to 3.0 A steady state current per channel
Allows decentralized lighting management (autonomous
operation)
Separate bulb and DC motor latched overcurrent
handling
Provides a high number of protective and diagnostic
functions
Individually programmable internal/external PWM
clock signals
Allows to drive bulb lamps (tungsten filament), LED lights and
DC motors
and protected.
Overcurrent, short-circuit and overtemperature
protection with programmable auto-retry functions
Guarantees full functional and electrical compatibility between
family members
Freescale: A Leader in
Analog Solutions
Accurate temperature and current sensing
Offers a 16-bit SPI interface for daisy chaining multiple
devices
Open-load detection (channel IN, OFF and ON states)
and LED applications (7.0 mA typical)
Allows multiple channel and device current sensing with only
one precision resistor
current of each channel can be sensed with
a programmable sensing ratio. Whenever
communication with the external MCU is
lost, the device enters a fail-safe operation
mode—but remains operational, controllable
Expanding on more than 30 years of
innovation, Freescale is a leading provider
of high-performance products that use
SMARTMOS technology combining digital,
Normal operating range: 8–36 V, extended range:
6–58 V
3.3 and 5.0 V compatible 16-bit SPI port for device
control, configuration and diagnostics at rates up to
8.0 MHz
power and standard analog functions.
Freescale supplies analog and power
management ICs that are advancing the
Performance
automotive, consumer, industrial and
Performance
networking markets. Analog solutions
Outputs
2
interface with real-world signals to control
RDS(on) at 25 ºC
Dual 16 mΩ
and drive for complete embedded systems.
Operating voltage
8 to 36 V
Extended operating range
6 to 58 V
Peak current
38.5 A
ESD
± 8.0 kV power I/Os
± 2.0 kV digital I/Os
Typical values
Development Tools
24-pin PQFN (12 x 12 mm)
98ASA00428D
Part Number
Typical values
KIT20XS4200EVBE
Evaluation board featuring the MC20XS4200
Documentation
Freescale Document
Number
Title
Description
MC16XSD200
Dual 16 mΩ High-Side Switch
Data sheet
SG1002
Analog Product Selector Guide
Selector guide
SG200
Analog and Power Management Industrial Selector Guide
Selector guide
AN2467
Power Quad Flat No-lead Package
Application note
AN4473
Compact Thermal Model Application Note
Application note
AN4474
EMC and Fast Transient Pulses Performances Application Note
Application note
AN4516
IBIS Model Application Note
Application note
For more information, please visit freescale.com/analog
Freescale and the Freescale logo are trademarks of Freescale Semiconductor, Inc., Reg. U.S. Pat. & Tm. Off. SMARTMOS is
a trademark of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners.
© 2013 Freescale Semiconductor, Inc.
Document Number: MC16XSD200FS REV 1
Similar pages