AS3687XM-ZWLT datasheet, PDF - EEWORLD Datasheet

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AS3687XM-ZWLT: DescriptionFlexible Lighting Management; CategoryPower/power management The power supply circuit; File Size1MB，55 Pages; ManufacturerAMS; Websitehttps://ams.com/zh

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AS3687XM-ZWLT Overview

Flexible Lighting Management

AS3687XM-ZWLT Parametric

Parameter Name	Attribute value
Maker	AMS
Parts packaging code	BGA
package instruction	VFBGA,
Contacts	20
Reach Compliance Code	unknow
ECCN code	EAR99
Adjustable threshold	YES
Analog Integrated Circuits - Other Types	POWER SUPPLY SUPPORT CIRCUIT
JESD-30 code	R-PBGA-B20
length	2.54 mm
Number of channels	1
Number of functions	1
Number of terminals	20
Maximum operating temperature	85 °C
Minimum operating temperature	-30 °C
Package body material	PLASTIC/EPOXY
encapsulated code	VFBGA
Package shape	RECTANGULAR
Package form	GRID ARRAY, VERY THIN PROFILE, FINE PITCH
Certification status	Not Qualified
Maximum seat height	0.6 mm
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	3 V
Nominal supply voltage (Vsup)	3.6 V
surface mount	YES
Temperature level	OTHER
Terminal form	BALL
Terminal pitch	0.5 mm
Terminal location	BOTTOM
width	2.06 mm

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austriamicrosystems AG

is now

ams AG

The technical content of this austriamicrosystems datasheet is still valid.

Contact information:

Headquarters:

ams AG

Tobelbaderstrasse 30

8141 Unterpremstaetten, Austria

Tel: +43 (0) 3136 500 0

e-Mail:

ams_sales@ams.com

Please visit our website at

www.ams.com

AS3687/87XM

Datasheet

Table of Contents

General Description ....................................................................................................................................... 1

Key Features.................................................................................................................................................. 1

Application ..................................................................................................................................................... 1

Block Diagram................................................................................................................................................ 2

Characteristics ............................................................................................................................................... 5

5.1

Absolute Maximum Ratings .................................................................................................................... 5

5.2

Operating Conditions .............................................................................................................................. 5

6 Typical Operating Characteristics .................................................................................................................. 6

7 Detailed Functional Description ..................................................................................................................... 8

7.1

Step Up DC/DC Converter...................................................................................................................... 8

7.1.1

Feedback Selection ......................................................................................................................... 9

7.1.2

Overvoltage Protection in Current Feedback Mode ......................................................................... 9

7.1.3

Voltage Feedback.......................................................................................................................... 10

7.1.4

PCB Layout Hints .......................................................................................................................... 11

7.1.5

Step up Registers .......................................................................................................................... 11

7.2

Charge Pump........................................................................................................................................ 13

7.2.1

Charge Pump Mode Switching ...................................................................................................... 15

7.2.2

Soft Start........................................................................................................................................ 16

7.2.3

Charge Pump Registers ................................................................................................................ 16

7.3

Current Sinks ........................................................................................................................................ 18

7.3.1

High Voltage Current Sinks CURR1, CURR2, CURR6.................................................................. 19

7.3.2

Current Sinks CURR30, CURR31, CURR32, CURR33................................................................. 21

7.3.3

LED Pattern Generator .................................................................................................................. 24

7.3.4

PWM Generator............................................................................................................................. 28

7.4

LED Test............................................................................................................................................... 33

7.4.1

Function Testing for single LEDs connected to the Charge Pump ................................................ 33

7.4.2

Function Testing for LEDs connected to the Step Up DCDC Converter ........................................ 34

7.5

Analog-To-Digital Converter ................................................................................................................. 34

7.5.1

ADC Registers ............................................................................................................................... 35

7.6

Audio controlled RGB LEDs (only AS3687XM)..................................................................................... 37

7.6.1

AGC............................................................................................................................................... 39

7.6.2

Audio Control Registers................................................................................................................. 41

7.7

Power-On Reset ................................................................................................................................... 42

7.7.1

Reset control register..................................................................................................................... 43

7.8

Temperature Supervision...................................................................................................................... 43

7.8.1

Temperature Supervision Registers .............................................................................................. 44

7.9

Serial Interface...................................................................................................................................... 44

7.9.1

Serial Interface Features ............................................................................................................... 44

7.9.2

Device Address Selection.............................................................................................................. 45

7.10 Operating Modes .................................................................................................................................. 47

8 Register Map................................................................................................................................................ 48

9 External Components .................................................................................................................................. 50

10 Pinout and Packaging .................................................................................................................................. 51

10.1 Pin Description...................................................................................................................................... 51

10.2 Package Drawings and Markings ......................................................................................................... 52

11 Ordering Information .................................................................................................................................... 53

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AS3687XM-ZWLT Related Products

	AS3687XM-ZWLT	AS3687	AS3687-ZWLT
Description	Flexible Lighting Management	Flexible Lighting Management	Flexible Lighting Management
Reach Compliance Code	unknow	unknow	unknow
Maker	AMS	AMS	-
Parts packaging code	BGA	-	BGA
package instruction	VFBGA,	-	VFBGA,
Contacts	20	-	20
ECCN code	EAR99	-	EAR99
Adjustable threshold	YES	-	YES
Analog Integrated Circuits - Other Types	POWER SUPPLY SUPPORT CIRCUIT	-	POWER SUPPLY SUPPORT CIRCUIT
JESD-30 code	R-PBGA-B20	-	R-PBGA-B20
length	2.54 mm	-	2.54 mm
Number of channels	1	-	1
Number of functions	1	-	1
Number of terminals	20	-	20
Maximum operating temperature	85 °C	-	85 °C
Minimum operating temperature	-30 °C	-	-30 °C
Package body material	PLASTIC/EPOXY	-	PLASTIC/EPOXY
encapsulated code	VFBGA	-	VFBGA
Package shape	RECTANGULAR	-	RECTANGULAR
Package form	GRID ARRAY, VERY THIN PROFILE, FINE PITCH	-	GRID ARRAY, VERY THIN PROFILE, FINE PITCH
Certification status	Not Qualified	-	Not Qualified
Maximum seat height	0.6 mm	-	0.6 mm
Maximum supply voltage (Vsup)	5.5 V	-	5.5 V
Minimum supply voltage (Vsup)	3 V	-	3 V
Nominal supply voltage (Vsup)	3.6 V	-	3.6 V
surface mount	YES	-	YES
Temperature level	OTHER	-	OTHER
Terminal form	BALL	-	BALL
Terminal pitch	0.5 mm	-	0.5 mm
Terminal location	BOTTOM	-	BOTTOM
width	2.06 mm	-	2.06 mm

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