1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBattery charging interface forsmall handheld multimediadevicesPart 1: 2 mm barrel interfaceBS EN 62637-1:2011National forewordThis British Standard is the UK implementation of EN
2、 62637-1:2011. It isidentical to IEC 62637-1:2011.The UK participation in its preparation was entrusted to Technical CommitteeEPL/100, Audio, video and multimedia systems and equipment.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication d
3、oes not purport to include all the necessary provisions of acontract. Users are responsible for its correct application. BSI 2011ISBN 978 0 580 75273 5ICS 33.160.99; 97.180Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the au
4、thority of the StandardsPolicy and Strategy Committee on 31 July 2011.Amendments issued since publicationAmd. No. Date Text affectedBRITISH STANDARDBS EN 62637-1:2011EUROPEAN STANDARD EN 62637-1 NORME EUROPENNE EUROPISCHE NORM May 2011 CENELEC European Committee for Electrotechnical Standardization
5、Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Management Centre: Avenue Marnix 17, B - 1000 Brussels 2011 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 62637-1:2011 E ICS 33.160
6、.99; 97.180 English version Battery charging interface for small handheld multimedia devices - Part 1: 2 mm barrel interface (IEC 62637-1:2011) Interface de charge de batterie pour petits appareils multimdia portables Partie 1: Spcification de linterface cylindrique 2 mm (CEI 62637-1:2011) Batterie-
7、Ladeschnittstelle fr kleine tragbare Multimedia-Gerte - Teil 1: 2-mm-Zylinder-Schnittstellen-Spezifikation (IEC 62637-1:2011) This European Standard was approved by CENELEC on 2011-05-04. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for
8、 giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CENELEC member. This European Standard exists in three offic
9、ial versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical commi
10、ttees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and
11、 the United Kingdom. BS EN 62637-1:2011EN 62637-1:2011 - 2 - Foreword The text of document 100/1673/CDV, future edition 1 of IEC 62637-1, prepared by technical area 1, Terminals for audio, video and data services and contents, of IEC TC 100, Audio, video and multimedia systems and equipment, was sub
12、mitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 62637-1 on 2011-05-04. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and CENELEC shall not be held responsible for identifying any or all such patent
13、rights. The following dates were fixed: latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2012-02-04 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2014-05-04 An
14、nex ZA has been added by CENELEC. _ Endorsement notice The text of the International Standard IEC 62637-1:2011 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following note has to be added for the standard indicated: IEC 61076-
15、2-102:2002 NOTE Harmonized as EN 61076-2-102:2002 (not modified). _ BS EN 62637-1:2011- 3 - EN 62637-1:2011 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following referenced documents are indispensable for the application
16、of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD a
17、pplies. Publication Year Title EN/HD Year IEC 62637-2 - Battery charging interface for small handheld multimedia deviced - Part 2: 2mm barrel type interface conformance testing EN 62637-2 - BS EN 62637-1:2011 2 62637-1 IEC:2011(E) CONTENTS 1 Scope . 6 2 Normative references . 6 3 Abbreviations and s
18、ymbols . 7 4 Specifications for 2 mm barrel interface 7 4.1 General . 7 4.2 Temperature 8 4.3 Voltage 8 5 Electrical specification for 2 mm barrel type chargers . 8 5.1 Charger output capacitance . 8 5.2 Maximum transient voltage and current values 8 5.3 Maximum output ripple voltage 9 5.4 High-freq
19、uency voltage components at the charger output 10 5.5 Feel current of AC chargers 11 5.6 Charging voltage/current window . 11 5.7 Current linearity for chargers . 12 6 Accessories connected between the 2 mm barrel charger and the mobile device 13 6.1 Accessory interfaces . 13 6.2 Electrical specific
20、ations for accessories 14 6.3 Booting up the mobile device when connected to an accessory . 14 6.4 Charger identification 14 7 Charger identification method for the 2 mm barrel interface 15 8 Connectors for the 2 mm barrel interface 15 8.1 Connectors 15 8.2 Charging voltage polarity . 15 Annex A (no
21、rmative) Artificial load . 17 Annex B (normative) Coupling/decoupling network 18 Annex C (informative) Additional information on connectors for 2 mm barrel interface . 19 Bibliography 21 Figure 1 Scope of the charging interface standard . 6 Figure 2 Maximum permitted charger output capacitance . 8 F
22、igure 3 Maximum duration of charging current overshoot and maximum voltage undershoot . 9 Figure 4 Maximum peak-to-peak ripple voltage 10 Figure 5 Maximum high-frequency output voltage components. 11 Figure 6 Charging current/voltage window for 2 mm barrel type chargers . 12 Figure 7 Current lineari
23、ty specification example . 13 Figure 8 Accessory/device interface . 14 Figure 9 Charger identification voltages . 15 Figure 10 General view of the 2 mm barrel charging plug . 16 Figure A.1 Artificial load . 17 Figure B.1 Coupling/decoupling network 18 BS EN 62637-1:201162637-1 IEC:2011(E) 3 Figure C
24、.1 2 mm barrel charging plug Details 19 Figure C.2 2 mm barrel charging receptacle Details 19 Figure C.3 Bending durability . 20 Table 1 Limits for maximum voltage and settling time 9 Table 2 Maximum ripple voltage in different frequency ranges . 10 Table 3 Maximum conducted interference 10 Table 4
25、Electrical specification for accessory contacts . 14 BS EN 62637-1:2011 6 62637-1 IEC:2011(E) BATTERY CHARGING INTERFACE FOR SMALL HANDHELD MULTIMEDIA DEVICES Part 1: 2 mm barrel interface 1 Scope This part of IEC 62637 defines a charging interface between small handheld multimedia devices and power
26、-supply accessories, specifically chargers. Devices, which could be based on this standard may vary over time, but have to comply with the limited power available1. The interface is a 2 mm barrel type charging interface. This standard does not include the whole charger nor does it include the intern
27、al functions of the device. Chargers and devices shall follow the applicable EMC and safety standards. The scope of this part of IEC 62637 is illustrated in Figure 1. Charger Mobile device Battery Charger specifications EM IC Battery specifications including protection circuitry Energy Protection el
28、ements Charging solution Protection / safety elements Battery cell Charger interface specification - Electrical parameters - Mechanical parameters EM SW HW component specification Operational, safety, reliability standards National / International Standards Operational, safety and reliability standa
29、rds, National / International Standards Operational, safety and reliability standards National / International Standards Protection elements IEC 481/11 Figure 1 Scope of the charging interface standard 2 Normative references The following referenced documents are indispensable for the application of
30、 this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 62637-2, Battery charging interface for small handheld multimedia devices Part 2: 2 mm barrel type interface conformance
31、 testing 1Devices like mobile phones, MP-3 players, portable radio receivers, small handheld TV receivers, GPS-navigators, gaming devices, digital cameras may use this interface if the delivered power is adequate. BS EN 62637-1:201162637-1 IEC:2011(E) 7 3 Abbreviations and symbols For the purposes o
32、f this document, the following abbreviations apply. AC Alternating Current C Capacitance F CDN Coupling/Decoupling Network Crest factor Current peak value/current RMS value dB Decibel dB(mW) Power in dB referring to 1 mW DC Direct Current EM Energy Management EMC Electromagnetic Compatibility ESR Ef
33、fective Series Resistance f Frequency in Hz fIcharCharging current change frequency Hz GND Ground HW HardWare I Current A IcharCharging current A ImaxMaximum current A IpeakPeak current A IC Integrated Circuit L Inductance H R Resistance RMS Root mean square SW SoftWare V Voltage V VcharCharging vol
34、tage Vmax-out Maximum output voltage VoutOutput voltage VrippleRipple voltage 4 Specifications for 2 mm barrel interface 4.1 General Clauses 4 to 8 specify the 2 mm barrel type electrical and mechanical charging interface between devices and power-supply accessories, specifically chargers. Clause 7
35、defines the charger-identification process of these devices. The 2 mm barrel interface may have a wide output current range and the current may change with other parameters, but shall stay within the charging current/voltage window specified in 5.6. The recommended minimum current is specified in 5.
36、6. BS EN 62637-1:2011 8 62637-1 IEC:2011(E) 4.2 Temperature All specifications apply at normal room temperature 18 C to 25 C, unless some other temperature is specified. 4.3 Voltage All specifications are valid under nominal operating voltage as defined by the manufacturer. 5 Electrical specificatio
37、n for 2 mm barrel type chargers 5.1 Charger output capacitance The capacitance at the charger output causes charging current spikes when the chargers load is changing. Low-capacitance values are recommended if possible. The maximum charger output filter capacitor size shall be 1 000 F with + 20 % to
38、lerance if the charger Vmax-outis less than 7 V. For output voltages of 7,0 V to 9,3 V, the maximum capacitance value decreases linearly so that for a 9,3 V charger, the maximum output capacitance shall be 700 F with + 20 % tolerance. The maximum capacitance value is illustrated in Figure 2. 67899,3
39、ChargermaximumoutputvoltageMaximum permitted nominal output capacitance 500 700 1000 FV510420% toleranceFigure 2 Maximum permitted charger output capacitance 5.2 Maximum transient voltage and current values Table 1 gives the maximum limits for voltage values and settling times. These limits apply to
40、 all conditions. IEC 482/11 BS EN 62637-1:201162637-1 IEC:2011(E) 9 Table 1 Limits for maximum voltage and settling time Parameter Limit Maximum charger output overshoot 16 V Maximum reverse voltage at charger output 1 V Maximum time for charger to achieve steady state value (V and I) 10 % after loa
41、d change 10 ms Maximum duration of charging current overshoot peak value greater than 1,1 A 5 ms Maximum output voltage undershoot for load currents up to 100 mA 4,1 V Limits are also valid for a damaged (single fault) charger and these voltage and current limits shall be doubly ensured, meaning tha
42、t if the general charging voltage control system fails, there shall be a backup limiter inside the charger. The maximum charging current overshoot and maximum voltage undershoot are shown in Figure 3. Current I1100 mATime t0 mAmax. 5msNominal outputcurrentMax. 10ms10%Device current limit10%Voltage V
43、Maximum output voltage undershoot at load current 100 mANominal output voltage at 100 mA load current4,1VFigure 3 Maximum duration of charging current overshoot and maximum voltage undershoot 5.3 Maximum output ripple voltage The maximum allowed output ripple voltage with maximum output current of t
44、he charger is 300 mV RMS for output voltages Voutbetween 2,5 V and 5,5 V. The maximum acceptable output peak-to-peak ripple voltage is separated to four frequency ranges. A sum of ripple voltages over the full frequency range 0 MHz to 1 MHz is 800 mVp-p. Ripple voltage shall be measured using 0 k to
45、 6 k resistive load. During the test all the measured V and I values shall be within the voltage / current window of the charger interface. Note that charging voltage, including ripple, shall not have peak values outside the V/I window (see 5.6) for charger output. IEC 473/11 BS EN 62637-1:2011 10 6
46、2637-1 IEC:2011(E) Maximum ripple voltages Vripplefor different frequency ranges are given in Table 2. Maximum peak-to-peak ripple voltage is shown in Figure 4. Table 2 Maximum ripple voltage in different frequency ranges Frequency range Maximum ripple voltage (peak-to-peak) f 20 Hz 200 mV 20 Hz f 2
47、00 Hz 200 mV 200 Hz f 20 kHz 200 mV 20 kHz f 1 MHz 400 mV Frequency 200Hz to 20 kHz max. Vripplep-p 200mV Frequency 0Hz to 20Hz max. Vripplep-p 200mV All frequencies together max. Vripplep-p 800mV IEC 474/11 Figure 4 Maximum peak-to-peak ripple voltage 5.4 High-frequency voltage components at the ch
48、arger output The purpose of this part of the specification is concerned with intra-system EMC, to guarantee that the charger connected to the device via the interface does not cause interference with the possible radio receiver reception in the device. The charger shall not cause more high-frequency
49、 voltage components at the charger output than specified in Table 3 and Figure 5 when connected to the artificial load specified in Annex A and measured with the coupling-decoupling network specified in Annex B. Table 3 Maximum conducted interference Frequency range MHz Maximum high frequency voltage components dB(mW) 1 to 80 40 to 65 linear slope 80 to 150 65 BS EN 62637-1:201162637-1 IEC:2011(E)
