Datasheet > HIP6302

HIP6302

更新时间： 2024-02-27 08:29:42

品牌	Logo	应用领域
英特矽尔 - INTERSIL		调节器微处理器多相元件控制器
页数	文件大小	规格书
17页	186K
描述
Microprocessor CORE Voltage Regulator Multi-Phase Buck PWM Controller

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HIP6302 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
零件包装代码：	SOIC	包装说明：	SOIC-16
针数：	16	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.19	Is Samacsys：	N
模拟集成电路 - 其他类型：	SWITCHING CONTROLLER	控制模式：	CURRENT/VOLTAGE-MODE
控制技术：	PULSE WIDTH MODULATION	最大输入电压：	5.25 V
最小输入电压：	4.75 V	标称输入电压：	5 V
JESD-30 代码：	R-PDSO-G16	JESD-609代码：	e3
长度：	9.9 mm	湿度敏感等级：	3
功能数量：	1	端子数量：	16
最高工作温度：	70 °C	最低工作温度：
封装主体材料：	PLASTIC/EPOXY	封装代码：	SOP
封装等效代码：	SOP16,.25	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE	峰值回流温度（摄氏度）：	260
认证状态：	Not Qualified	座面最大高度：	1.75 mm
子类别：	Switching Regulator or Controllers	表面贴装：	YES
切换器配置：	PHASE-SHIFT	最大切换频率：	1500 kHz
温度等级：	COMMERCIAL	端子面层：	Matte Tin (Sn) - annealed
端子形式：	GULL WING	端子节距：	1.27 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	40
宽度：	3.9 mm	Base Number Matches：	1

HIP6302 数据手册

HIP6302

ERROR

AMPLIFIER

COMPARATOR

PWM1

CORRECTION

PWM

HIP6601

CIRCUIT

∑

PHASE

PROGRAMMABLE

REFERENCE

DAC

ISEN1

CURRENT

SEN1

∑

SENSING

I AVERAGE

CURRENT

AVERAGING

CORE

OUT

LOAD

ISEN2

SEN2

CURRENT

SENSING

∑

PHASE

COMPARATOR

PWM2

PWM

HIP6601

CORRECTION

CIRCUIT

FIGURE 1. SIMPLIFIED BLOCK DIAGRAM OF THE HIP6302 VOLTAGE AND CURRENT CONTROL LOOPS FOR A TWO POWER

CHANNEL REGULATOR

voltage results in increased Comparator output duty cycle.

This increased duty cycle signal is passed through the PWM

CIRCUIT with no phase reversal and on to the HIP6601,

again with no phase reversal for gate drive to the upper

MOSFETs, Q1 and Q3. Increased duty cycle or ON time for

the MOSFET transistors results in increased output voltage

to compensate for the low output voltage sensed.

Operation

Figure 1 shows a simpliﬁed diagram of the voltage regulation

and current control loops. Both voltage and current feedback

are used to precisely regulate voltage and tightly control

output currents, I and I , of the two power channels. The

L1 L2

voltage loop comprises the Error Ampliﬁer, Comparators,

gate drivers and output MOSFETS. The Error Ampliﬁer is

essentially connected as a voltage follower that has as an

input, the Programmable Reference DAC and an output that

is the CORE voltage.

Current Loop

The current control loop works in a similar fashion to the

voltage control loop, but with current control information

applied individually to each channel’s Comparator. The

information used for this control is the voltage that is

Voltage Loop

Feedback from the CORE voltage is applied via resistor R

developed across r

of each lower MOSFET, Q2 and

DS(ON)

to the inverting input of the Error Ampliﬁer. This signal can

drive the Error Ampliﬁer output either high or low, depending

upon the CORE voltage. Low CORE voltage makes the

ampliﬁer output move towards a higher output voltage level.

Ampliﬁer output voltage is applied to the positive inputs of

the Comparators via the Correction summing networks. Out-

of-phase sawtooth signals are applied to the two

Q4, when they are conducting. A single resistor converts

and scales the voltage across the MOSFETs to a current

that is applied to the Current Sensing circuit within the

HIP6302. Output from these sensing circuits is applied to the

current averaging circuit. Each PWM channel receives the

difference current signal from the summing circuit that

compares the average sensed current to the individual

channel current. When a power channel’s current is greater

Comparators inverting inputs. Increasing Error Ampliﬁer

1...4 5 678 9 10...17

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