PCA9450 datasheet(50/96 Pages) NXP

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NXP Semiconductors

PCA9450

Power management IC for i.MX 8M application processor family

PCA9450

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 1.0 — 19 November 2019

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0x01 : 1.90 V

0x5 : 2.30 V

0x9 : 2.70 V

0xD : 3.10 V

0x02 : 2.00 V

0x6 : 2.40 V

0xA : 2.80 V

0xE : 3.20 V

0x03 : 2.10 V

0x7 : 2.50 V

0xB : 2.90 V

0xF : 3.30 V

8.2.38 0x2A LOADSW_CTRL

Load switch control register for active discharge, short/over current and enable

Table 64. 0x2A LOADSW_CTRL

0x2A – LOADSW_CTRL

Reset Type

O

Bit

Name

Type

Reset Description

7

SW_AD

R/W

1

Load switch active discharge

0b = Always disable active discharge resistor

1b = Enable active discharge resistor when it is OFF

6:5

RSVD

R/W

00

Reserved

4

SW_SC

R/W

0

When switch detects short circuit current

0b = Turned OFF and set SWEN[1:0] are set to 00b automatically

1b = Turned off and restart in 100 ms

3:2

SW_OC

R/W

01

When load switch detects over current

00b = Turned OFF and set SWEN[1:0] are set to 00b automatically

01b = Turned off and restart in 100 ms

10b, 11b = stay ON

1:0

SWEN

R/W

01

SW Enable control

00b = Forced OFF

01b = Enabled by SW_EN pin

10b = Forced ON

11b = Forced ON

8.2.39 0x2B VRFLT1_STS

Voltage regulator fault status register. It is latched to 1 once corresponding regulator

detects fault. If the bit is overwritten to 1, the corresponding bit is newly updated by

current status.

Table 65. 0x2B VRFLT1_STS

0x2B – VRFLT1_STS

Reset Type

S

Bit

Name

Type

Reset Description

7

SW_OCP

R/W/C

0

Load SW OCP status, deglitched with tDEB_POKB_SW

0 = Load SW doesn’t exceed current limit or is OFF

1 = Load SW exceeded current limit

6

RSVD

R/W/C

0

Reserved

5

BUCK6_FLT

R/W/C

0

BUCK6 Fault status, deglitched with tDEB_POKB

0b = BUCK6 output is good or BUCK6 is OFF

1b = BUCK6 output falls below 80 % of target

Số phần tương tự - PCA9450

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
NXP Semiconductors	PCA9450	242Kb / 3P	POWER MANAGEMENT INTEGRATED CIRCUITS (PMICS) REV 8
	PCA9450	1Mb / 96P	Power management IC for i.MX 8M application processor family Rev. 2.2 - 15 September 2021
	PCA9450AA	1Mb / 96P	Power management IC for i.MX 8M application processor family Rev. 2.2 - 15 September 2021
	PCA9450AAHN	1Mb / 96P	Power management IC for i.MX 8M application processor family Rev. 2.2 - 15 September 2021
	PCA9450AAHNY	1Mb / 96P	Power management IC for i.MX 8M application processor family Rev. 2.2 - 15 September 2021

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