AS3701B-BWLM-68

AS3701B-BWLM-68 Datasheet

AS3701

Part	Datasheet
AS3701B-BWLM-68	AS3701B-BWLM-68 (pdf)

Related Parts	Information
AS3701A-BWLM-51	AS3701A-BWLM-51
AS3701B-BWLM-02	AS3701B-BWLM-02
AS3701B-BWLM-01	AS3701B-BWLM-01
AS3701B-BWLT-68	AS3701B-BWLT-68
AS3701A-BWLT-51	AS3701A-BWLT-51
AS3701B-BWLT-00	AS3701B-BWLT-00

PDF Datasheet Preview
AS3701 Micro-PMIC The AS3701 is a small compact PMU for small size and low power applications. AS3701 features one 500mA DCDC buck converter operating from 1MHz up to 4MHz, two 200mA LDOs, two 40mA current sinks and offers additional GPIO functions. Further, the device contains an integrated linear battery charger with constant current and constant voltage operation. The wide charging current range going from 11mA up to 500mA and the integrated battery temperature monitoring with selectable NTC beta values make this device suitable for a great variety of applications. The single supply voltage may vary from 2.7V to 5.5V and all functionalities of AS3701 can be controlled via the interface. Ordering Information and Content Guide appear at end of datasheet. Figure 1 Added Value of Using AS3701 Key Benefits & Features The benefits and features of AS3701, Micro-PMIC are listed below: • Multiple rails in a compact design for low power applications • 2 x 200mA universal LDO 1.2V to 3.3V • 500mA Step-down DCDC 0.6125V to 3.35V • 2 programmable current sources up to 40mA • Possible external PWM dimming input • Self-contained Li-Ion battery charger with power path • Linear charger with internal transistor • 500mA max charging current • Trickle-, Constant Current and Constant Voltage operation 3.82V to 4.44V • Charger timeout and temperature supervision • NTC beta selection • Flexible multi-purpose IOs for general control tasks and for standalone operation without interface • Wake-up / Stand-by / Power-down input • PWM input/output • Interrupt input/output • Low battery and Power Good output • Charging and USB current setting input • Charger control input/output ams Datasheet [v1-07] 2016-Apr-05 Page 1 Document Feedback AS3701 − General Description • Flexible and fast adaption to different processors/applications • Power saving control according to the needs • Self-contained start-up and safety shutdown feature • Cost effective, small package optimized for PCB cost or size • OTP programmable Boot sequence • Stand-by function with programmable voltages • control interface • ON-key with 4/8s emergency power-down • POR with Reset I/O • 17-balls WL-CSP with 0.4mm pitch • 20-balls WL-CSP with 0.4mm pitch The device is a PMU for low power applications like sport watches, smart watches, handheld GPS devices, mobile phones and any other 1-cell Li+ powered devices. Page 2 Document Feedback ams Datasheet [v1-07] 2016-Apr-05 AS3701 − General Description Figure 2 Functional Blocks of AS3701A Block Diagram The functional blocks of this device are shown below: AS3701A Power Path & VUSB Current Limiter VSUP VSU P_C H G 2.2uF VBAT Linear Charger XIR Q_N T C ON SCL SDA XRES LOGIC & CONTROL LDO1 3V 200 mA Iq = 5uA AS3701 − Ordering&ContactInformation Ordering & Contact Information Figure 123 Ordering Information Ordering Code AS3701A-BWLT-ES AS3701A-BWLT-?? AS3701B-BWLT-ES AS3701B-BWLT-00 AS3701B-BWLT-?? Marking OTP Programming Delivery Form Package 3701A 1V1-ES 3701A 1V1-?? 3701B 1V1-ES Sequence programmable on request Customer specified sequence programmable on request T&R T&R T&R 17-Ball WL-CSP 17-Ball WL-CSP 20-Ball WL-CSP 3701B 1V1-00 Default sequence 20-Ball WL-CSP 3701B 1V1-?? Customer specified sequence 20-Ball WL-CSP Buy our products or get free samples online at Technical Support is available at Provide feedback about this document at For further information and requests, e-mail us at For sales offices, distributors and representatives, please visit: Headquarters ams AG Tobelbaderstrasse 30 8141 Premstaetten Austria, Europe Tel +43 0 3136 500 0 Website: Page 100 Document Feedback ams Datasheet [v1-07] 2016-Apr-05 AS3701 − RoHS Compliant & ams Green Statement RoHS Compliant & ams Green Statement RoHS The term RoHS compliant means that ams AG products fully comply with current RoHS directives. Our semiconductor products do not contain any chemicals for all 6 substance categories, including the requirement that lead not exceed by weight in homogeneous materials. Where designed to be soldered at high temperatures, RoHS compliant products are suitable for use in specified lead-free processes. ams Green RoHS compliant and no Sb/Br ams Green defines that in addition to RoHS compliance, our products are free of Bromine Br and Antimony Sb based flame retardants Br or Sb do not exceed by weight in homogeneous material . Important Information The information provided in this statement represents ams AG knowledge and belief as of the date that it is provided. ams AG bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. ams AG has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. ams AG and ams AG suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release. ams Datasheet [v1-07] 2016-Apr-05 Page 101 Document Feedback Copyrights & Disclaimer AS3701 − Copyrights&Disclaimer Copyright ams AG, Tobelbader Strasse 30, 8141 Premstaetten, Austria-Europe. Trademarks Registered. All rights reserved. The material herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. Devices sold by ams AG are covered by the warranty and patent indemnification provisions appearing in its General Terms of Trade. ams AG makes no warranty, express, statutory, implied, or by description regarding the information set forth herein. ams AG reserves the right to change specifications and prices at any time and without notice. Therefore, prior to designing this product into a system, it is necessary to check with ams AG for current information. This product is intended for use in commercial applications. Applications requiring extended temperature range, unusual environmental requirements, or high reliability applications, such as military, medical life-support or life-sustaining equipment are specifically not recommended without additional processing by ams AG for each application. This product is provided by ams AG “AS IS” and any express or implied warranties, including, but not limited to the implied warranties of merchantability and fitness for a particular purpose are disclaimed. ams AG shall not be liable to recipient or any third party for any damages, including but not limited to personal injury, property damage, loss of profits, loss of use, interruption of business or indirect, special, incidental or consequential damages, of any kind, in connection with or arising out of the furnishing, performance or use of the technical data herein. No obligation or liability to recipient or any third party shall arise or flow out of ams AG rendering of technical or other services. Page 102 Document Feedback ams Datasheet [v1-07] 2016-Apr-05 AS3701 − Document Status Document Status Document Status Product Status Definition ams Datasheet [v1-07] 2016-Apr-05

PDF Datasheet Preview

AS3701

Micro-PMIC

The AS3701 is a small compact PMU for small size and low power applications.

AS3701 features one 500mA DCDC buck converter operating from 1MHz up to 4MHz, two 200mA LDOs, two 40mA current sinks and offers additional GPIO functions. Further, the device contains an integrated linear battery charger with constant current and constant voltage operation. The wide charging current range going from 11mA up to 500mA and the integrated battery temperature monitoring with selectable NTC beta values make this device suitable for a great variety of applications.

The single supply voltage may vary from 2.7V to 5.5V and all functionalities of AS3701 can be controlled via the interface.
Ordering Information and Content Guide appear at end of datasheet.

Figure 1 Added Value of Using AS3701

Key Benefits & Features

The benefits and features of AS3701, Micro-PMIC are listed below:
• Multiple rails in a compact design for low power applications
• 2 x 200mA universal LDO 1.2V to 3.3V
• 500mA Step-down DCDC 0.6125V to 3.35V
• 2 programmable current sources up to 40mA
• Possible external PWM dimming input
• Self-contained Li-Ion battery charger with power path
• Linear charger with internal transistor
• 500mA max charging current
• Trickle-, Constant Current and Constant Voltage
operation 3.82V to 4.44V
• Charger timeout and temperature supervision
• NTC beta selection
• Flexible multi-purpose IOs for general control tasks and for standalone operation without interface
• Wake-up / Stand-by / Power-down input
• PWM input/output
• Interrupt input/output
• Low battery and Power Good output
• Charging and USB current setting input
• Charger control input/output
ams Datasheet [v1-07] 2016-Apr-05

Page 1 Document Feedback

AS3701 − General Description
• Flexible and fast adaption to different processors/applications
• Power saving control according to the needs
• Self-contained start-up and safety shutdown feature
• Cost effective, small package optimized for PCB cost or size
• OTP programmable Boot sequence
• Stand-by function with programmable voltages
• control interface
• ON-key with 4/8s emergency power-down
• POR with Reset I/O
• 17-balls WL-CSP with 0.4mm pitch
• 20-balls WL-CSP with 0.4mm pitch

The device is a PMU for low power applications like sport watches, smart watches, handheld GPS devices, mobile phones and any other 1-cell Li+ powered devices.

Page 2 Document Feedback
ams Datasheet [v1-07] 2016-Apr-05

AS3701 − General Description

Figure 2 Functional Blocks of AS3701A

Block Diagram

The functional blocks of this device are shown below:

AS3701A

Power Path &

VUSB

Current Limiter

VSUP

VSU P_C H G 2.2uF

VBAT

Linear Charger

XIR Q_N T C ON SCL

SDA XRES

LOGIC & CONTROL

LDO1
3V 200 mA Iq = 5uA
AS3701 − Ordering&ContactInformation
Ordering & Contact Information
Figure 123 Ordering Information
Ordering Code

AS3701A-BWLT-ES AS3701A-BWLT-?? AS3701B-BWLT-ES AS3701B-BWLT-00 AS3701B-BWLT-??

Marking

OTP Programming

Delivery Form

Package
3701A 1V1-ES
3701A 1V1-??
3701B 1V1-ES

Sequence programmable on request Customer specified sequence programmable on request

T&R T&R T&R
17-Ball WL-CSP 17-Ball WL-CSP 20-Ball WL-CSP
3701B 1V1-00

Default sequence
20-Ball WL-CSP
3701B 1V1-??

Customer specified sequence
20-Ball WL-CSP

Buy our products or get free samples online at Technical Support is available at Provide feedback about this document at For further information and requests, e-mail us at For sales offices, distributors and representatives, please visit:

Headquarters ams AG Tobelbaderstrasse 30 8141 Premstaetten Austria, Europe

Tel +43 0 3136 500 0 Website:

Page 100 Document Feedback
ams Datasheet [v1-07] 2016-Apr-05

AS3701 − RoHS Compliant & ams Green Statement

RoHS Compliant & ams Green Statement

RoHS The term RoHS compliant means that ams AG products fully comply with current RoHS directives. Our semiconductor products do not contain any chemicals for all 6 substance categories, including the requirement that lead not exceed by weight in homogeneous materials. Where designed to be soldered at high temperatures, RoHS compliant products are suitable for use in specified lead-free processes.
ams Green RoHS compliant and no Sb/Br ams Green defines that in addition to RoHS compliance, our products are free of Bromine Br and Antimony Sb based flame retardants Br or Sb do not exceed by weight in homogeneous material .

Important Information The information provided in this statement represents ams AG knowledge and belief as of the date that it is provided. ams AG bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. ams AG has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. ams AG and ams AG suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release.
ams Datasheet [v1-07] 2016-Apr-05

Page 101 Document Feedback

Copyrights & Disclaimer

AS3701 − Copyrights&Disclaimer

Copyright ams AG, Tobelbader Strasse 30, 8141 Premstaetten, Austria-Europe. Trademarks Registered. All rights reserved. The material herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner.

Devices sold by ams AG are covered by the warranty and patent indemnification provisions appearing in its General Terms of Trade. ams AG makes no warranty, express, statutory, implied, or by description regarding the information set forth herein. ams AG reserves the right to change specifications and prices at any time and without notice. Therefore, prior to designing this product into a system, it is necessary to check with ams AG for current information. This product is intended for use in commercial applications. Applications requiring extended temperature range, unusual environmental requirements, or high reliability applications, such as military, medical life-support or life-sustaining equipment are specifically not recommended without additional processing by ams AG for each application. This product is provided by ams AG “AS IS” and any express or implied warranties, including, but not limited to the implied warranties of merchantability and fitness for a particular purpose are disclaimed.
ams AG shall not be liable to recipient or any third party for any damages, including but not limited to personal injury, property damage, loss of profits, loss of use, interruption of business or indirect, special, incidental or consequential damages, of any kind, in connection with or arising out of the furnishing, performance or use of the technical data herein. No obligation or liability to recipient or any third party shall arise or flow out of ams AG rendering of technical or other services.

Page 102 Document Feedback
ams Datasheet [v1-07] 2016-Apr-05

AS3701 − Document Status

Document Status

Document Status Product Status

Definition
ams Datasheet [v1-07] 2016-Apr-05

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived AS3701B-BWLM-68 Datasheet file may be downloaded here without warranties.

Datasheet ID: AS3701B-BWLM-68 519710