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IDP2303A 英飞凌芯片 INFINEON 中文版规格书手册.pdf
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IDP2303A 英飞凌芯片 INFINEON 中文版规格书手册
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IDP2303A
Digital Multi-Mode PFC + LLC Combo Controller
Product Highlights
Integrated 600V startup cell
Integrated floating driver based on coreless transformer technology
Digital multi-mode operation for higher efficiency curve
Supports low stand-by power by means of direct X-cap discharge function and
adaptive burst mode control
Eliminates the auxiliary power supply by means of integrated startup cell and
burst mode
UART interface for communication and in-circuit configuration
Flexible design-in by means of one time programming capability for a wide
range of parameters
Description
The IDP2303A is a multi-mode PFC and LLC controller combined with a floating high side driver and a startup cell. A
digital engine provides advanced algorithms for multi-mode operation to support highest efficiency over the whole load
range. A comprehensive and configurable protection feature set is implemented. Only a minimum of external
components are required with the low pin count DSO-16 package. The integrated HV startup cell and adaptive burst
mode enable to achieve low stand-by power and low output ripple. In addition a one-time-programming (OTP) unit is
integrated to provide a wide set of configurable parameters that help to ease the design in phase.
Features
Multi-mode PFC
Configurable PFC gate driver
Synchronous PFC and LLC burst mode control
Configurable non-linear LLC VCO curve
Configurable soft-start
V
AC
input voltage sensing and X cap discharge via HV
pin
Applications
Adaptors for TV, notebook and industry from 75W to 300W
Generarl SMPS
Figure 1 Typical Application
Product Type
Package
IDP2303A
PG-DSO-16
HSGND
HSVCC
HSGD
GD1
IDP2303A
VCC
GND
85 ... 265 VAC
CS1
ZCD
HV
GD0
CS0
Gate1
EN
VCC
VS
PGND
VD2
Gate2
VD1
HBFB
Vcc
VS
MFIO
IDP2303A
Digital Multi-Mode PFC + LLC Combo Controller
Datasheet 2 Rev. V2.0, 2017-03-23
Table of Contents
Table of Contents ..........................................................................................................................................................................2
1 Pin Configuration and Description ....................................................................................................................4
2 Representative Blockdiagram.............................................................................................................................6
3 Functional Description .........................................................................................................................................7
3.1 Introduction .................................................................................................................................................................... 7
3.2 Overview Controller Features ................................................................................................................................. 7
3.3 Overview Controller Features ................................................................................................................................. 7
3.3.1 System and Device overview ............................................................................................................................ 8
3.3.1.1 Processor and memory operations.......................................................................................................... 8
3.3.1.2 Communication interface ......................................................................................................................... 10
3.3.1.3 Voltage and current sensors .................................................................................................................... 10
3.3.2 IC Power Supply and High Voltage Startup Cell .................................................................................... 11
3.3.2.1 Direct AC input monitoring combined with VCC startup function .......................................... 11
3.3.2.2 X-cap discharge function via the integrated HV startup-cell ..................................................... 12
3.3.3 Standby Mode with synchronous PFC-LLC burst operation ............................................................ 13
3.3.4 IC protection ......................................................................................................................................................... 14
3.3.4.1 Undervoltage lockout for VCC ................................................................................................................. 14
3.3.4.2 Overvoltage protection for VCC ............................................................................................................. 14
3.3.4.3 Over temperature protection .................................................................................................................. 14
3.3.4.4 Auto Restart Mode ....................................................................................................................................... 14
3.3.5 AC detection .......................................................................................................................................................... 14
3.4 PFC Controller ............................................................................................................................................................. 15
3.4.1 PFC Softstart ......................................................................................................................................................... 15
3.4.2 PFC Multi-mode operation ............................................................................................................................. 16
3.4.3 PFC Protection ..................................................................................................................................................... 17
3.4.3.1 PFC Open Control Loop Protection (PFCOCLP)............................................................................... 17
3.4.3.2 PFC Inductor Over Current Protection (PFCOCP) .......................................................................... 18
3.4.3.3 PFC Output Over Voltage Protection (PFCOVP) .............................................................................. 18
3.4.3.4 PFC Output Under Voltage Protection (PFCUVP) ........................................................................... 18
3.4.3.5 PFC Brownin Protection for AC Input Line (PFCBIP) ................................................................... 18
3.4.3.6 PFC Brownout Protection for AC Input Line (PFCBOP) ............................................................... 18
3.4.3.7 PFC Long Time Continuous Conduction Mode Protection (PFCCCMP) ................................. 18
3.5 Half-bridge LLC Controller ..................................................................................................................................... 19
3.5.1 LLC Softstart (Time Controlled Oscillator TCO) .................................................................................... 19
3.5.2 LLC Normal Operation (Voltage Controlled Oscillator VCO) ........................................................... 20
3.5.3 LLC Smooth Transition of Frequency Control from TCO to VCO .................................................... 21
3.5.4 LLC Half-bridge Protection ............................................................................................................................. 21
3.5.4.1 LLC Open Control Loop Protection (LLCOCLP) ............................................................................... 21
3.5.4.2 LLC Over Load Protection (LLCOLP) ................................................................................................... 22
3.5.4.3 LLC Over Current Protection Level 1 (LLCOCP1) ........................................................................... 22
3.5.4.4 LLC Over Current Protection Level 2 (LLCOCP2) ........................................................................... 23
3.6 Operation Flow ........................................................................................................................................................... 23
3.6.1 IC Initialization .................................................................................................................................................... 23
3.6.2 Operation Flow of the PFC Controller ........................................................................................................ 25
3.6.3 Operation Flow of the Halfbridge LLC Controller ................................................................................. 25
3.7 Overview Protection Features .............................................................................................................................. 26
3.7.1 Undervoltage Lockout for VCC ...................................................................................................................... 27
3.7.2 Overvoltage Protection for VCC .................................................................................................................... 27
3.7.3 Overtemperature Protection by means of internal Temperature Detection ............................. 27
IDP2303A
Digital Multi-Mode PFC + LLC Combo Controller
Datasheet 3 Rev. V2.0, 2017-03-23
3.8 Fixed and Configurable Parameters ................................................................................................................... 28
3.8.1 Fixed Parameters................................................................................................................................................ 28
3.8.2 Configurable Parameters ................................................................................................................................ 28
4 Electrical Characteristics ................................................................................................................................... 31
4.1 Absolute Maximum Ratings ................................................................................................................................... 31
4.2 Package Characteristics........................................................................................................................................... 32
4.3 Operating Conditions ............................................................................................................................................... 32
4.4 DC Electrical Characteristics ................................................................................................................................. 32
4.4.1 Power Supply Characteristics ....................................................................................................................... 32
4.4.2 Characteristics of the MFIO Pin .................................................................................................................... 33
4.4.3 Characteristics of the HBFB Pin ................................................................................................................... 33
4.4.4 Characteristics of the Current Sense Inputs CSx ................................................................................... 33
4.4.5 Characteristics of the Zero Crossing Input ZCD ..................................................................................... 34
4.4.6 Characteristics of the Gate Driver Pins GDx ............................................................................................ 34
4.4.7 Characteristics of the High-Voltage Pin HV ............................................................................................. 35
4.4.8 Characteristics of the VS Pin .......................................................................................................................... 35
4.4.9 Characteristics of the HSGD Pin ................................................................................................................... 35
5 Outline Dimensions............................................................................................................................................. 37
Revision History ......................................................................................................................................................................... 38
IDP2303A
Digital Multi-Mode PFC + LLC Combo Controller
Pin Configuration and Description
Datasheet 4 Rev. V2.0, 2017-03-23
1 Pin Configuration and Description
The pin configuration is shown in Figure 2 and Table 1. The Pin functions are described below.
Figure 2 Pin Configuration
Table 1 Pin Definitions and Functions
Symbol
Pin
Type
Function
GD0
(PFCGD)
1
O
Gate Driver Output 0 (PFC Gate Driver)
Output for directly driving the PFC PowerMOS. The default peak source
current capability is 85 mA and the peak sink current capability is 800 mA.
CS0
(PFCCS)
2
I
Current Sense 0 (PFC Current Sense)
Pin CS0 is connected to an external shunt resistor and the source of the PFC
PowerMOS.
VCC
3
P
Positive Voltage Supply
IC power supply
GND
4
G
Ground
IC ground
ZCD
5
I
Zero Crossing Detection
Pin ZCD is connected to the auxiliary winding of the PFC choke.
VS
6
I
Voltage Sensing
Pin VS is connected to a high ohmic resistor divider for directly sensing the bus
voltage.
N.C.
7
—
Creepage Distance
HV
8
I
High Voltage Input
Pin HV is connected to the AC input via an external resistor and 2 diodes or
connected after rectifier bridge. There is a 600 V HV startup-cell internally
connected that is used for initial VCC charge. It is also used to discharge the x-
capacitors of the EMI network. Furthermore sampled high voltage sensing is
supported for brownin/brownout detection.
MFIO
9
I
MFIO
Pin MFIO provides a half duplex UART communication IO interface for
parameter configuration and AC voltage detection.
HBFB
10
I
Half Bridge Feedback
Pin HBFB is connected to an optocoupler for the feedback path to control the
LLC switching frequency.
CS1
(HBCS)
11
I
Current Sense 1 (Hallf Bridge current Sense)
Pin CS1 is connected to an external shunt resistor and the source of the
1
2
3
4
14
15
16
HSGND
GD0
HSVCC
VCC
HSGD
GND
13
N.C.
5
6
7
8
10
11
12
HBFB
ZCD
CS1
N.C.
GD1
HV
9
MFIO
VS
CS0
IDP2303A
PG-DSO-16 (150mil)
IDP2303A
Digital Multi-Mode PFC + LLC Combo Controller
Pin Configuration and Description
Datasheet 5 Rev. V2.0, 2017-03-23
Symbol
Pin
Type
Function
PowerMOS in the half-bridge stage.
GD1
(LSGD)
12
O
Gate Driver Output 1 (Half Bridge Low Side Gate Driver)
Output for directly driving the lowside PowerMOS in the half-bridge. The peak
source current capability is 120 mA and the peak sink current capability is 500
mA.
N.C.
13
—
Creepage Distance
HSGND
14
G
High side Ground
Ground for floating high side driver
HSVCC
15
P
High side VCC
Power supply of the high side floating driver, supplied via bootstrap
HSGD
16
O
High side floating Gate Driver
Output for directly driving the high side PowerMOS in the half-bridge. The
peak source current capability is 0.52 A and the peak sink current capability is
1.3 A. Refer to item 4.4.9 for more details.
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