Datasheet > ZL8802ALAFT

ZL8802ALAFT

更新时间： 2024-11-30 01:04:27

品牌	Logo	应用领域
瑞萨 - RENESAS		/
页数	文件大小	规格书
91页	3019K
描述
Dual Channel/Dual Phase PMBus ChargeMode Control DC/DC Digital Controller

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ZL8802ALAFT 数据手册

DATASHEET

ZL8802

FN8760

Rev.3.00

Nov 8, 2017

Dual Channel/Dual Phase PMBus ChargeMode Control DC/DC Digital Controller

The ZL8802 is a dual output or dual phase digital DC/DC

Features

controller. Each output can operate independently or be used

• Unique compensation-free design – always stable

together in a dual phase configuration for high current

applications supporting 2-, 4-, 6-, and 8-phase operation with

up to four ZL8802 controllers.

• Output voltage range: 0.54V to 5.5V

• Input voltage range: 4.5V to 14V

The ZL8802 supports a wide range of output voltages

(0.54V to 5.5V) operating from input voltages as low as 4.5V

up to 14V.

• 1% output voltage accuracy over line, load, and temperature

• ChargeMode control achieves fast transient response,

reduced output capacitance, and provides output stability

without compensation.

With the fully digital ChargeMode control, the ZL8802 will

respond to a transient load step within a single switching cycle.

This unique compensation-free modulation technique allows

designs to meet transient specifications with minimum output

capacitance, thus saving cost and board space.

• 2-channel output, 2-, 4-, 6-, or 8-phase output with two,

three, or four devices

• Switching frequency range 200kHz to 1.33MHz

• Proprietary single-wire DDC (Digital-DC) serial bus enables

voltage sequencing and fault spreading with other Intersil

digital power ICs

The proprietary single-wire Digital-DC™ (DDC) serial bus

enables the ZL8802 to communicate between other Intersil

digital power ICs. By using the DDC, the ZL8802 achieves

complex functions such as inter-IC phase current balancing,

sequencing, and fault spreading. This eliminates complicated

power supply managers with numerous external discrete

components.

• Inductor peak and averaged over and undercurrent

protection

• Digital fault protection for output voltage UV/OV, input

voltage UV/OV, temperature, and MOSFET driver voltage

The ZL8802 features fast output overcurrent protection. The

input voltage, output voltages, and DrMOS/MOSFET driver

supply voltages are overvoltage and undervoltage protected.

Two external temperature sensors and one internal

temperature sensor are available for temperature monitoring,

one of which can be configured for under- and over-

temperature protection. A snapshot parametric capture

feature allows users to take a snapshot of operating and fault

data during normal or fault conditions.

• Accurate average output current measurement with

adjustable gain settings for sensing with SPS current

monitor outputs or high current, low DCR inductors

• Monitor ADC measures input voltage, input current, output

voltage, driver voltage, internal and external temperature

• Nonvolatile memory for storing operating parameters and

fault events

• PMBus compliant

Integrated Low Dropout (LDO) regulators allow the ZL8802 to

operate from a single input supply eliminating the need for

additional linear regulators. The VDRV LDO output can be used

to power external drivers or DrMOS devices.

Applications

• Servers and storage equipment

• Telecom and datacom equipment

• Power supplies (memory, DSP, ASIC, FPGA)

With full PMBus compliance, the ZL8802 is capable of

measuring and reporting input voltage, input current, output

voltage, output current, as well as the device’s internal

temperature, two external temperatures, and an auxiliary

voltage or temperature input.

Related Literature

• For a full list of related documents, visit our website

- ZL8802 product page

TABLE 1. KEY DIFFERENCES BETWEEN FAMILY OF PARTS

PART NUMBER

ZL8800

DUAL OUTPUT

DUAL PHASE

DDC CURRENT SHARE

SPS SUPPORT

Yes

ZL8801

ZL8802

Yes

FN8760 Rev.3.00

Nov 8, 2017

Page 1 of 91

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与ZL8802ALAFT相关器件

型号	品牌	获取价格	描述	数据表
ZL8802ALAFT7A	RENESAS	获取价格	Dual Channel/Dual Phase PMBus ChargeMode Control DC/DC Digital Controller
ZL8802ALAFTK	RENESAS	获取价格	Dual Channel/Dual Phase PMBus ChargeMode Control DC/DC Digital Controller
ZL88601LDG1	MICROSEMI	获取价格	Telecom Circuit, 1-Func, 9 X 9 MM, GREEN, QFN-64
ZL8V2B	YEASHIN	获取价格	500 mW DO-35 Hermetically Sealed Glass Zener Voltage Regulators
ZL9006M	INTERSIL	获取价格	Digital DC/DC PMBus 6A Power Module
ZL9006MIRZ	INTERSIL	获取价格	Digital DC/DC PMBus 6A Power Module
ZL9010M	INTERSIL	获取价格	Digital DC/DC PMBus 10A Power Module
ZL9010M	RENESAS	获取价格	Digital DC/DC PMBus 10A Power Module
ZL9010MAIRZ	INTERSIL	获取价格	Digital DC/DC PMBus 10A Power Module
ZL9010MAIRZ	RENESAS	获取价格	Digital DC/DC PMBus 10A Power Module

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