mc10xs3535 Freescale Semiconductor, Inc, mc10xs3535 Datasheet - Page 19

• Manufacturer Part Number: mc10xs3535
• Description: Smart Front Corner Light Switch Triple 10 M And Dual 35 M
• Manufacturer: Freescale Semiconductor, Inc

industrial lighting applications. Its five low R
(three 10 mΩ and two 35 mΩ) can control the high sides of
SUPPLY VOLTAGE (VBAT)
device. In addition to its supply function, this tab contributes
to the thermal behavior of the device by conducting the heat
from the switching MOSFETs to the printed circuit board.
SUPPLY VOLTAGE (VCC)
digital portion of the circuit and the gate driver of the external
SMART MOSFET.
GROUND (GND)
CLOCK INPUT / WAKE-UP OUTPUT (CLOCK)
frequency and timing are generated from the rising edge of
clock input by the PWM module. The clock input frequency is
the selectable factor 2
frequency per output, depending PR bit value.
with a resolution of 7 bits of duty cycle (bits D[6:0]).
phases (0°, 90°, 180°, and 270°) to improve overall EMC
behavior of the light module.
the frequency is 4 times the original one. The two following
pictures illustrate this behavior.
Analog Integrated Circuit Device Data
Freescale Semiconductor
The 10XS3535 is designed for low-voltage automotive and
The VBAT pin of the 10XS3535 is the power supply of the
This is an external voltage input pin used to supply the
This pin is the ground of the device.
When the part is in Normal Mode (RST=1), the PWM
The OUT1:6 can be controlled in the range of 4% to 96%
The following table describes the PWM resolution.
The timing includes four programmable PWM switching
The amplitude of the input current is divided by four while
(Bit D7)
On/Off
0
1
1
1
1
Duty cycle (7 bits
resolution)
0000000
0000001
0000010
1111111
7
X
= 128 or 2
PWM (1/128 duty cycle)
PWM (2/128 duty cycle)
PWM (3/128 duty cycle)
8
= 256 of the PWM
Output state
fully ON
OFF
DS(ON)
FUNCTIONAL DESCRIPTION
FUNCTIONAL PIN DESCRIPTION
MOSFETs
INTRODUCTION
five separate resistive loads (bulbs). Programming, control,
and diagnostics are accomplished using a 16-bit SPI
interface.
different IC is provided by an SPI command in combination
with the
(initialization register).
provided in the following instances:
and FOG pins.
when VBAT and VCC are in operational voltage range.
LIMP HOME INPUT (LIMP)
digital input port. The signal is “high active”, meaning the Fail
mode can be activated by a logic high signal at the input.
The synchronization of the switching phases between
In Normal mode, no PWM feature (100% duty cycle) is
•with the following SPI configuration: D7:D0=FF.
•In case of clock input signal failure (out of f
In Fail mode, the ouputs state depend on IGN, FLASHER,
If RST=0, this pin reports the wake-up event for wake=1
The Fail mode of the component can be activated by this
outputs state depends of D7 bit value (D7=1=ON) in
Normal mode.
CS
Total
Total
Ch.1
Ch.2
Ch.3
Ch.4
Ch.1
Ch.2
Ch.3
Ch.4
input. The bit in the SPI is called PWM sync
0°
0°
90°
90°
180°
180°
FUNCTIONAL DESCRIPTION
270°
270°
INTRODUCTION
0°
0°
PWM
), the
10XS3535
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