Datasheet > ZL8800-2CH-DEMO1Z

ZL8800-2CH-DEMO1Z

更新时间： 2024-11-30 01:08:23

品牌	Logo	应用领域
英特矽尔 - INTERSIL		/
页数	文件大小	规格书
84页	1240K
描述
Dual Channel/Dual Phase PMBusâ¢ ChargeModeâ¢ Control DC/DC Digital Controller

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DATASHEET

Dual Channel/Dual Phase PMBus™ ChargeMode™

Control DC/DC Digital Controller

ZL8800

Features

The ZL8800 is a dual output or dual phase digital DC/DC

controller. Each output can operate independently or be used

together in a dual phase configuration for high current

applications.

• Unique compensation-free design – always stable

• Output voltage range: 0.54V to 5.5V

• Input voltage range: 4.5V to 14V

• 1% Output Voltage accuracy over line, load and temperature

The ZL8800 supports a wide range of output voltages

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

up to 14V.

• ChargeMode control achieves fast transient response,

reduced output capacitance and provides output stability

without compensation.

With the fully digital ChargeMode™ Control the ZL8800 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.

• Switching frequency range 200kHz to 1.33MHz

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

voltage sequencing and fault spreading with other Intersil

ICs

• Tracking of an external power supply

Intersil’s proprietary single wire DDC (Digital-DC™) serial bus

enables the ZL8800 to communicate between other Intersil

ICs. By using the DDC, the ZL8800 achieves complex functions

such as inter-IC phase current balancing, sequencing and fault

spreading, eliminating complicated power supply managers

with numerous external discrete components.

• Cycle-by-cycle inductor peak current protection

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

voltage UV/OV, temperature and MOSFET driver voltage

• 10-bit average output current measurement with adjustable

gain settings for sensing with high current, low DCR

inductors

The ZL8800 features cycle-by-cycle output overcurrent

protection. The input voltage, output voltages and

DrMOS/MOSFET driver supply voltages are overvoltage and

overvoltage protected. Two external and one internal

temperature sensor are available for temperature monitoring,

one of which is used 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.

• 10-bit monitor ADC measures input voltage, input current,

output voltage, internal, external temperature, driver voltage

• Configurable to use stand-alone MOSFET drivers or

integrated Driver-MOSFET (DrMOS) devices

• Nonvolatile memory for storing operating parameters and

fault events.

• PMBus™ compliant

Integrated Low Dropout (LDO) regulators allow the ZL8800 to

be operated from a single input supply eliminating the need

for additional linear regulators. The LDO output can be used to

power external drivers or DrMOS devices.

Applications

• Servers/storage equipment

• Telecom/datacom equipment

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

With full PMBus™ compliance the ZL8800 is capable of

measuring and reporting input voltage, input current, output

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

temperature, 2 external temperatures and an auxiliary voltage

input.

Related Literature

• AN1877, “ZL8800-2CH-DEMO1Z Demonstration Board User

Guide”

• AN1900, “USB to PMBus™ Adapter User Guide”

• AN1901, “ZL8800-2PH-DEMO1Z Demonstration Board”

TABLE 1. KEY DIFFERENCES BETWEEN FAMILY OF PARTS

PART NUMBER

ZL8800

DUAL OUTPUT

DUAL PHASE

DDC CURRENT SHARE

SPS SUPPORT

Yes

ZL8801

ZL8802

Yes

September 14, 2015

FN7558.3

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

Intersil (and design), Digital-DC and ChargeMode are trademarks owned by Intersil Corporation or one of its subsidiaries.

All other trademarks mentioned are the property of their respective owners.

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与ZL8800-2CH-DEMO1Z相关器件

型号	品牌	获取价格	描述	数据表
ZL8800-2PH-DEMO1Z	RENESAS	获取价格	Dual Channel/Dual Phase PMBus ChargeMode Control DC/DC Digital Controller
ZL8800-2PH-DEMO1Z	INTERSIL	获取价格	Dual Channel/Dual Phase PMBusâ¢ ChargeModeâ
ZL8800ALAFT	INTERSIL	获取价格	Dual Channel/Dual Phase PMBus ChargeMode Control DC/DC Digital Controller
ZL8800ALAFT	RENESAS	获取价格	Dual Channel/Dual Phase PMBus ChargeMode Control DC/DC Digital Controller
ZL8800ALAFT7A	RENESAS	获取价格	Dual Channel/Dual Phase PMBus ChargeMode Control DC/DC Digital Controller
ZL8800ALAFTK	INTERSIL	获取价格	Dual Channel/Dual Phase PMBus ChargeMode Control DC/DC Digital Controller
ZL8800ALAFTK	RENESAS	获取价格	Dual Channel/Dual Phase PMBus ChargeMode Control DC/DC Digital Controller
ZL8800ALBFT	INTERSIL	获取价格	Dual Channel/Dual Phase PMBusâ¢ ChargeModeâ
ZL8800ALBFT	RENESAS	获取价格	Dual Channel/Dual Phase PMBus ChargeMode Control DC/DC Digital Controller
ZL8800ALBFT7A	RENESAS	获取价格	Dual Channel/Dual Phase PMBus ChargeMode Control DC/DC Digital Controller

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