MC15XS3400CPNAR2 Freescale Semiconductor, MC15XS3400CPNAR2 Datasheet - Page 37

• Manufacturer Part Number: MC15XS3400CPNAR2
• Description: IC SWITCH HIGH SIDE QUAD 24-QFN
• Manufacturer: Freescale Semiconductor
• Type: High Side Switchr

Specifications of MC15XS3400CPNAR2

• Number Of Outputs: 4
• Rds (on): 15 mOhm
• Internal Switch(s): Yes
• Current Limit: 5A
• Voltage - Input: 6 ~ 20 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 24-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

on the CSNS pin for the corresponding output. The default
value [0] is the low ratio
ADDRESS A
REGISTER (OCR)
corresponding output over-current protection through the
SPI. Each output “s” is independently selected for
configuration based on the state of the D14 : D13 bits
(Table
current profile, as described
curve and D[5:4] bits inrush curve for selected output, as
shown
Table 15. Current Sense Ratio Selection
Analog Integrated Circuit Device Data
Freescale Semiconductor
I
I
I
I
Figure 13. Over-current profile depending on Xenon bit
I
I
I
I
I
I
I
I
OCLO4
I
I
I
I
I
I
OCH2
OC2
OC3
OC4
OCLO3
OCLO2
OCH
OC1
OCLO1
OCH2
OC2
OCLO4
OCLO3
OCLO2
OCH
OC1
OCLO1
Xenon bit set to logic [0]:
Xenon bit set to logic [1]:
A logic [1] on bit D0 (CSNS_ratio_s) selects the high ratio
The OCR_s register allows the MCU to configure
A logic [1] on bit D8 (Xenon_s) enables the bulb over-
D[7:6] bits allow to MCU to programmable bulb cooling
1
1
CSNS_high_s (D0)
12).
Table 16
t
t
OC1
OC1
t
t
OC2
OC2
t
t
OC3
OC3
0
1
1
A
and
0
t
t
OC4
100 — OUTPUT OVER-CURRENT
OC4
Table
t
t
(Table
OC5
OC5
17.
Figure
15).
t
t
OC6
OC6
Current Sense Ratio
13.
CRS0 (default)
t
t
OC7
OC7
CRS1
Time
Time
.
replaced by OCHI2 during t
current levels in steady state, as defined in
mode, as described
I
I
I
I
I
I
I
I
I
I
OCLO4
Table 16. Cooling and Inrush Curve Selection
OCH2
OC2
OC4
OCLO3
OCLO2
OCH
OC1
OC3
OCLO1
Table 17. Inrush Curve Selection
Figure 14. Over-current profile with OCHI bit set to ‘1’
Table 18. Output Steady State Selection
OCLO1 (D2) OCLO0 (D1)
A logic [1] on bit D3 (OCHI_s bit) the OCHI1 level is
The wire harness is protected by one of four possible
Bit D0 (OC_mode_sel) allows to select the over-current
BC1_s (D7)
OC1_s (D5)
1
t
OC1
0
0
1
1
t
0
0
1
1
OC2
0
0
1
1
t
OC3
t
OC4
0
1
0
1
Table
BC0_s (D6)
t
OC0_s (D4)
LOGIC COMMANDS AND REGISTERS
OC5
FUNCTIONAL DEVICE OPERATION
19.
OC1
0
1
0
1
0
1
0
1
, as shown
t
OC6
Steady State Current
OCLO2 (default)
Profile Curves Speed
OCLO3
OCLO4
OCLO1
Profile Curves Speed
t
OC7
medium (default)
Figure
slow (default)
Table 18
very slow
medium
medium
slow
fast
fast
14.
Time
15XS3400
.
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