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LP876411B4RQKRQ1 +BOM

4 5-A/20-A multiphase buck converters PMIC for automotive SoCs

Hersteller:

Texas Instruments, Inc
Herstellerteil #:

LP876411B4RQKRQ1
Datenblatt:

LP876411B4RQKRQ1 Datenblatt (PDF)
Regulated Outputs (#):

4
Vin (min) (V):

2.8
Vin (max) (V):

5.5
Iout (max) (A):

20
EDA/CAD Modelle:

Fordern Sie kostenlose CAD-Modelle für an LP876411B4RQKRQ1

LP876411B4RQKRQ1 Allgemeine Beschreibung

The LP8764-Q1 device is a versatile power management solution specifically designed to meet the unique requirements of modern processors and platforms in safety-critical automotive and industrial applications. With four step-down DC/DC converter cores, this device offers configurable options for up to five different phase configurations, allowing for flexible power output configurations. The LP8764-Q1 can be easily customized using either an I2C-compatible serial interface or a SPI serial interface, providing users with convenient options for adjusting device settings

Hauptmerkmale

AEC-Q100 Qualified with the following results:
- Input voltage: 2.8 V to 5.5 V
- Device temperature grade 1: –40°C to +125°C ambient operating temperature range
- Device HBM ESD classification Level 2
- Device CDM ESD classification Level C4B
Functional Safety-Compliant
- Developed for functional safety applications
- Documentation available to aid ISO 26262 system design up to ASIL-D
- Documentation available to aid IEC 61508 system design up to SIL-3
- Systematic capability up to ASIL-D
- Hardware integrity up to ASIL-D
- Windowed voltage and over-current monitors
- Watchdog with selectable trigger / Q&A mode
- Level or PWM error signal monitoring (ESM)
- Thermal monitoring with high temperature warning and thermal shutdown
- Bit-integrity (CRC) error detection on configuration registers and non-volatile memory
4 high-efficiency step-down DC/DC converters:
- Output voltage: 0.3 V to 3.34 V (0.3 V to 1.9 V for multi-phase outputs)
- Maximum output current: 5 A per phase, up to 20 A with 4-phase configuration
- Programmable output voltage slew-rate: 0.5 mV/µs to 33 mV/µs
- Switching frequency: 2.2 MHz or 4.4 MHz
10 configurable general purpose I/O (GPIO)
SPMI interface for multi-PMIC synchronization
Input overvoltage monitor (OVP) and undervoltage lockout (UVLO)

Spezifikationen

Regulated outputs (#)	4	TI functional safety category	Functional Safety-Compliant
Vin (min) (V)	2.8	Vin (max) (V)	5.5
Iout (max) (A)	20	Configurability	Factory programmable, Software configurable, User programmable
Rating	Automotive	Step-down DC/DC controller	0
Step-down DC/DC converter	4	Step-up DC/DC controller	0
Step-up DC/DC converter	0	LDO	0
Iq (typ) (mA)	16	Switching frequency (max) (kHz)	4800
Features	Error signal monitor, I2C, Multiphase, Power good, SPI, SPMI, Thermal monitor, Voltage monitoring, Watchdog	Operating temperature range (°C)	-40 to 125
Processor name	Jacinto DRA8x, Jacinto TDA4x	Processor supplier	Texas Instruments
Shutdown current (ISD) (typ) (µA)	1	Switching frequency (typ) (kHz)	4400
feature-function	Buck Converter With Integrated Switches	feature-switching-frequency-khz	2200(Typ)\|4400(Typ)
feature-process-technology		feature-input-voltage-v	3.3
feature-minimum-operating-supply-voltage-v	2.8	feature-maximum-operating-supply-voltage-v	5.5
feature-maximum-power-dissipation-mw		feature-packaging
feature-rad-hard		feature-pin-count
feature-cecc-qualified		feature-esd-protection
feature-military		feature-aec-qualified	Yes
feature-aec-qualified-number	AEC-Q100	feature-eccn-code	EAR99
feature-svhc	No	feature-svhc-exceeds-threshold	No

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AVAQ bestimmt und verpackt alle Geräte auf der Grundlage der Schutzanforderungen gegen elektrostatische Entladung (ESD) und Feuchtigkeitsempfindlichkeit (MSL)..