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MFS5600AMBAFES 데이터시트(PDF) 59 Page - NXP Semiconductors

부품명 MFS5600AMBAFES
상세설명  Automotive buck regulator and controller with voltage monitors and watchdog timer
PDF  118 Pages
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NXP Semiconductors
FS5600
Automotive buck regulator and controller with voltage monitors and watchdog timer
LBIST can be disabled by setting the OTP_LBIST_DIS[7:0] to 0b0011_0110.
LBIST is enabled for all other values of OTP_LBIST_DIS[7:0]. If LBIST is disabled via OTP, the following
conditions should be valid for LBIST to be truly disabled:
• No boot error (from OTP controller)
• No CRC error (from OTP controller)
• No ECC error (from OTP controller)
If one of these conditions are not satisfied LBIST is enabled. LBIST_PASS bit in the I2C map is set when LBIST
is completed successfully and passes.
17.12.4 VCC and VDIG monitoring
VCC and VDIG voltages are monitored for over and under voltage faults. The part is powered down if any of
these faults is detected. See the state transition table for specific transitions.
All parameters are specified at TA = –40 to 125 °C, VIN = 12 V, ENx = 12 V, VCC = 5.0 V, No Load on
regulators, Fsw = 2.2 MHz, and typical external component values, unless otherwise noted. Typical values are
specified at 25 °C, unless otherwise noted.
Parameter
Symbol
Min
Typ
Max
Unit
VDIG Rising POR VDIG_POR
1.44
V
VDIG Falling POR VDIG_POR
1.40
V
VDIG Overvoltage
Threshold
VDIG_OV
1.95
V
VCC Rising POR
VCC_POR
3.2
V
VCC Falling POR
VCC_POR
2.6
V
VCC Overvoltage
Threshold
VCC_OV
5.8
V
Table 52. POR Thresholds
17.13 FS5600 operation states and state machine
Figure 19 shows the high-level operation states of the FS5600 ASIL B, and Enhanced ASIL B versions.
FS5600
All information provided in this document is subject to legal disclaimers.
© 2024 NXP B.V. All rights reserved.
Product data sheet
Rev. 4 — 29 April 2024
59 / 118



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