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S-8233AGFE-TB

S-8233AGFE-TB

  • 厂商:

    SII(精工半导体)

  • 封装:

  • 描述:

    S-8233AGFE-TB - BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK - Seiko Instruments Inc

  • 数据手册
  • 价格&库存
S-8233AGFE-TB 数据手册
Rev.3.2_10 BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK S-8233A Series The S-8233A Series is a series of lithium-ion rechargeable battery protection ICs incorporating high-accuracy voltage detection circuits and delay circuits. It is suitable for a 3-serial-cell lithium-ion battery pack. Features (1) Internal high-accuracy voltage detection circuit Over charge detection voltage 4.10 ± 0.05 V to 4.35 ± 0.05 V 50 mV- step Over charge release voltage 3.85 ± 0.10 V to 4.35 ± 0.10 V 50 mV- step (The over charge release voltage can be selected within the range where a difference from over charge detection voltage is 0 V to 0.3 V) Over discharge detection voltage 2.00 ± 0.08 V to 2.70± 0.08 V 100 mV- step Over discharge release voltage 2.00 ± 0.10 V to 3.70± 0.10 V 100 mV - step (The over discharge release voltage can be selected within the range where a difference from over discharge detection voltage is 0 V to 1.0 V) Over current detection voltage 1 0.15 ±0.015 V to 0.5 ±0.05 V 50 mV-step (2) (3) (4) (5) (6) (7) (8) High input-voltage device (absolute maximum rating: 26 V) Wide operating voltage range: 2 V to 24 V The delay time for every detection can be set via an external capacitor. Three over current detection levels (protection for short-circuiting) Internal charge/discharge prohibition circuit via the control terminal The function for charging batteries from 0 V is available. Low current consumption Operation 50 µA max. (+25 °C) Power-down 0.1 µA max. (+25 °C) Applications Lithium-ion rechargeable battery packs Packages Package Name 14-Pin SOP 16-Pin TSSOP Package FE014-A FT016-A Drawing Code Tape FE014-A FT016-A Reel FE014-A FT016-A Seiko Instruments Inc. 1 BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK S-8233A Series Block Diagram Rev.3.2_10 VCC Reference voltage 1 + − Battery 1 Over charge Over current 2,3 delay circuit Over current detection circuit VMP CD1 + − Battery 1 Over discharge Over current1, delay circuit COVT VC1 Battery 1 Over charge + − Battery 2 Over charge Over discharge delay circuit CDT Control Logic Over charge delay circuit CD2 + Battery 2 Over discharge Reference voltage 2 − CCT VC2 Battery 2 Over charge + − Battery 3 Over charge DOP CD3 + Battery 3 Over discharge Reference voltage 3 − COP VSS Battery 3 Over charge Floating detection circuit CTL Figure 1 Remark The delay time for over current detection 2 and 3 is fixed by an internal IC circuit. The delay time cannot be changed via an external capacitor. 2 Seiko Instruments Inc. Rev.3.2_10 Product Name Structure 1. Product name x S−8233A BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK S-8233A Series xx − TB IC direction in tape specifications*1 Package name (abbreviation) FE: 14-Pin SOP FT: 16-Pin TSSOP Serial code Assigned from A to Z in alphabetical order *1. Refer to the taping specifications. Seiko Instruments Inc. 3 BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK S-8233A Series 2. Product name list ・14-Pin SOP Table 1 Product name / Parameter S-8233ACFE-TB S-8233ADFE-TB S-8233AEFE-TB S-8233AFFE-TB S-8233AGFE-TB S-8233AIFE-TB S-8233AJFE-TB S-8233AKFE-TB S-8233ALFE-TB S-8233AMFE-TB S-8233ANFE-TB S-8233AOFE-TB S-8233APFE-TB Overcharge Overcharge detection voltage release voltage VCU VCD 4.25±0.05 V 4.05±0.10 V 4.10±0.05 V 4.25±0.05 V 4.35±0.05 V 4.25±0.05 V 4.25±0.05 V 4.35±0.05 V 4.35±0.05 V 4.35±0.05 V 4.35±0.05 V 4.35±0.05 V 4.35±0.05 V 4.25±0.05 V 4.10 *1 Rev.3.2_10 Overdischarge detection voltage VDD 2.00±0.08 V 2.00±0.08 V 2.30±0.08 V 2.40±0.08 V 2.40±0.08 V 2.30±0.08 V 2.40±0.08 V 2.40±0.08 V 2.40±0.08 V 2.40±0.08 V 2.40±0.08 V 2.40±0.08 V 2.70±0.08 V 2.70±0.08 V Overdischarge release voltage VDU 2.30±0.10 V 2.30±0.10 V 2.70±0.10 V 2.70±0.10 V 2.70±0.10 V 3.00±0.10 V 2.70±0.10 V 2.70±0.10 V 2.70±0.10 V 2.70±0.10 V 2.40±0.10 V 2.70±0.10 V 3.00±0.10 V 3.00±0.10 V Overcurrent 0 V battery detection voltage1 charge function VIOV1 0.20±0.02 V - - 0.20±0.02 V 0.15±0.015 V 0.50±0.05 V 0.40±.0.04 V 0.15±0.015 V 0.30±0.03 V 0.15±0.015 V 0.40±0.04 V 0.30±0.03 V 0.15±0.015 V 0.15±0.015 V 0.30±0.03 V 0.30±0.03 V - Available Available - - - Available Available Available Available Available Available 4.10±0.10 V 4.05±0.10 V 4.05±0.10 V 4.10±0.10 V 4.05±0.10 V 4.05±0.10 V 4.05±0.10 V 4.05±0.10 V 4.05±0.10 V 4.05±0.10 V 4.05±0.10 V *1 S-8233AQFE-TB 4.25±0.05 V 4.25 *1. Without over charge detection hysteresis. Remark Please contact the SII marketing department for the products with the detection voltage value other than those specified above. ・16-Pin TSSOP Table 2 Product name / Parameter S-8233ACFT-TB S-8233ADFT-TB S-8233AEFT-TB S-8233AFFT-TB S-8233AGFT-TB S-8233AIFT-TB S-8233AJFT-TB S-8233AKFT-TB S-8233ALFT-TB S-8233AMFT-TB S-8233ANFT-TB S-8233AOFT-TB S-8233APFT-TB Overcharge Overcharge detection voltage release voltage VCu VCD 4.25±0.05 V 4.05±0.10 V 4.10±0.05 V 4.25±0.05 V 4.35±0.05 V 4.25±0.05 V 4.25±0.05 V 4.35±0.05 V 4.35±0.05 V 4.35±0.05 V 4.35±0.05 V 4.35±0.05 V 4.35±0.05 V 4.25±0.05 V 4.10 *1 Overdischarge detection voltage VDD 2.00±0.08 V 2.00±0.08 V 2.30±0.08 V 2.40±0.08 V 2.40±0.08 V 2.30±0.08 V 2.40±0.08 V 2.40±0.08 V 2.40±0.08 V 2.40±0.08 V 2.40±0.08 V 2.40±0.08 V 2.70±0.08 V 2.00±0.08 V Overdischarge release voltage VDU 2.30±0.10 V 2.30±0.10 V 2.70±0.10 V 2.70±0.10 V 2.70±0.10 V 3.00±0.10 V 2.70±0.10 V 2.70±0.10 V 2.70±0.10 V 2.70±0.10 V 2.40±0.10 V 2.70±0.10 V 3.00±0.10 V 2.70±0.10 V Overcurrent 0 V battery detection voltage1 charge function VIOV1 0.20±0.02 V - - 0.20±0.02 V 0.15±0.015 V 0.50±0.05 V 0.40±.0.04 V 0.15±0.015 V 0.30±0.03 V 0.15±0.015 V 0.40±0.04 V 0.30±0.03 V 0.15±0.015 V 0.15±0.015 V 0.30±0.03 V 0.30±0.03 V - Available Available - - - Available Available Available Available Available Available 4.10±0.10 V 4.05±0.10 V 4.05±0.10 V 4.10±0.10 V 4.05±0.10 V 4.05±0.10 V 4.05±0.10 V 4.05±0.10 V 4.05±0.10 V 4.05±0.10 V 4.05±0.10 V S-8233ARFT-TB 4.35±0.05 V 4.05±0.10 V *1. Without over charge detection hysteresis. Remark Please contact the SII marketing department for the products with the detection voltage value other than those specified above. 4 Seiko Instruments Inc. Rev.3.2_10 Pin Assignment 14-Pin SOP Top view DOP COP VMP COVT CDT CCT VSS 1 2 3 4 5 6 7 14 13 12 11 10 9 8 VCC CD1 VC1 CD2 VC2 CD3 CTL BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK S-8233A Series Figure 2 Table 3 Pin No. Symbol Pin description 1 DOP Connects FET gate for discharge control (CMOS output) 2 COP Connects FET gate for charge control (Nch open-drain output) 3 VMP Detects voltage between VCC to VMP(Over current detection pin) 4 COVT Connects capacitor for over current detection1delay circuit 5 CDT Connects capacitor for over discharge detection delay circuit 6 CCT Connects capacitor for over charge detection delay circuit 7 VSS Negative power input, and connects negative voltage for battery 3 8 CTL Charge/discharge control signal input 9 CD3 Battery 3 conditioning signal output 10 VC2 Connects battery 2 negative voltage and battery 3 positive voltage 11 CD2 Battery 2 conditioning signal output 12 VC1 Connects battery 1 negative voltage and battery 2 positive voltage 13 CD1 Battery 1 conditioning signal output 14 VCC Positive power input and connects battery 1 positive voltage Table 4 Pin No. Symbol Pin description 1 DOP Connects FET gate for discharge control (CMOS output) *1 2 NC No connection 3 COP Connects FET gate for charge control (Nch open-drain output) 4 VMP Detects voltage between VCC to VMP(Over current detection pin) 5 COVT Connects capacitor for over current detection1 delay circuit 6 CDT Connects capacitor for over discharge detection delay circuit 7 CCT Connects capacitor for over charge detection delay circuit 8 VSS Negative power input, and connects negative voltage for battery 3 9 CTL Charge/discharge control signal input 10 CD3 Battery 3 conditioning signal output 11 VC2 Connects battery 2 negative voltage and battery 3 positive voltage 12 CD2 Battery 2 conditioning signal output 13 VC1 Connects battery 1 negative voltage and battery 2 positive voltage CD1 Battery 1 conditioning signal output 14 *1 15 NC No connection 16 VCC Positive power input and connects battery 1 positive voltage *1. The NC pin is electrically open. The NC pin can be connected to VCC or VSS. 16-Pin TSSOP Top view DOP NC COP VMP COVT CDT CCT VSS 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 VCC NC CD1 VC1 CD2 VC2 CD3 CTL Figure 3 Seiko Instruments Inc. 5 BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK S-8233A Series Absolute Maximum Ratings Table 5 Parameter Input voltage between VCC and VSS Input pin voltage VMP Input terminal voltage CD1 output terminal voltage CD2 output terminal voltage CD3 output terminal voltage DOP output terminal voltage COP output terminal voltage Power dissipation Operating temperature range Symbol VDS VIN VVMP VCD1 VCD2 VCD3 VDOP VCOP PD Topr Applicable Pins - VC1, VC2, CTL, CCT, CDT, COVT VMP CD1 CD2 CD3 DOP COP - - - Rev.3.2_10 (Ta = 25 °C unless otherwise specified) Absolute Maximum Ratings Unit VSS−0.3 ~ VSS+26 VSS−0.3 ~ VCC+0.3 VSS−0.3 ~ VSS+26 VC1−0.3 ~ VCC+0.3 VC2−0.3 ~ VCC+0.3 VSS−0.3 ~ VCC+0.3 VSS−0.3 ~ VCC+0.3 VSS−0.3 ~ VSS+26 14-Pin SOP 16-Pin TSSOP −20 ~ +70 400 300 V V V V V V V V mW mW °C Tstg −40 ~ +125 °C - Storage temperature range Caution The absolute maximum ratings are rated values exceeding which the product could suffer physical damage. These values must therefore not be exceeded under any conditions. 6 Seiko Instruments Inc. Rev.3.2_10 Electrical Characteristics BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK S-8233A Series Table 6 (1 / 2) (Ta = 25 °C unless otherwise specified) Measure- Measurement ment Min. Typ. Max. Unit condition circuit VCU1−0.05 VCD1−0.10 VDD1−0.08 VDU1−0.10 VCU2−0.05 VCD2−0.10 VDD2−0.08 VDU2−0.10 VCU3−0.05 VCD3−0.10 VDD3−0.08 VDU3−0.10 0.54 1.0 −1.0 −0.5 0.5 0.5 0.5 20 20 20 10 2 100 VCU1 VCU1+0.05 VCD1 VCD1+0.10 VDD1 VDD1+0.08 VDU1 VDU1+0.10 VCU2 VCU2+0.05 VCD2 VCD2+0.10 VDD2 VDD2+0.08 VDU2 VDU2+0.10 VCU3 VCU3+0.05 VCD3 VCD3+0.10 VDD3 VDD3+0.08 VDU3 VDU3+0.10 0.6 2.0 0 0 1.0 1.0 1.0 40 40 40 20 4 300 0.66 3.0 1.0 0.5 1.5 1.5 1.5 60 60 60 30 8 550 V V V V V V V V V V V V V V V mV/°C mV/°C s s s ms ms ms ms ms µs 1 1 1 1 2 2 2 2 3 3 3 3 4 4 4 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 Item Detection voltage Over charge detection voltage1 Over charge release voltage1 Over discharge detection voltage1 Over discharge release voltage1 Over charge detection voltage 2 Over charge release voltage 2 Over discharge detection voltage 2 Over discharge release voltage 2 Over charge detection voltage3 Over charge release voltage3 Over discharge detection voltage3 Over discharge release voltage3 Over current detection voltage1 Over current detection voltage3 Voltage temperature factor 1 Voltage temperature factor 2 Delay time Over charge detection delay time1 Over charge detection delay time 2 Over charge detection delay time3 Over discharge detection delay time1 Over discharge detection delay time 2 Over discharge detection delay time3 Over current detection delay time1 Over current detection delay time 2 Over current detection delay time3 Operating voltage Operating voltage between VCC and *4 VSS Current consumption Current consumption (during normal operation) Current consumption for cell 2 Current consumption for cell 3 Current consumption at power down Internal resistance Resistance between VCC and VMP Resistance between VSS and VMP Input voltage CTL"H" Input voltage CTL"L" Input voltage *2 *3 *1 Symbol Condition VCU1 VCD1 VDD1 VDU1 VCU2 VCD2 VDD2 VDU2 VCU3 VCD3 VDD3 VDU3 VIOV1 VIOV2 VIOV3 TCOE1 TCOE2 tCU1 tCU2 tCU3 tDD1 tDD2 tDD3 tIOV1 tIOV2 tIOV3 VDSOP 4.10 to 4.35 Adjustment 3.85 to 4.35 Adjustment 2.00 to 2.70 Adjustment 2.00 to 3.70 Adjustment 4.10 to 4.35 Adjustment 3.85 to 4.35 Adjustment 2.00 to 2.70 Adjustment 2.00 to 3.70 Adjustment 4.10 to 4.35 Adjustment 3.85 to 4.35 Adjustment 2.00 to 2.70 Adjustment 2.00 to 3.70 Adjustment 0.15 to 0.50V Adjustment VCC Reference VSS Reference Ta=-20 to 70°C Ta=-20 to 70°C CCCT=0.47 µF CCCT=0.47 µF CCCT=0.47 µF CCDT=0.1 µF CCDT=0.1 µF CCDT=0.1 µF CCOVT=0.1 µF VIOV1 x 0.9 VIOV1 VIOV1 x 1.1 Over current detection voltage 2 − − 9 10 11 9 10 11 12 12 12 − − 6 6 6 6 6 6 7 7 7 − FET gate capacitor =2000 pF − 2.0 − 24 V − − IOPE ICELL2 ICELL3 IPDN RVCM RVSM V1=V2=V3=3.5 V V1=V2=V3=3.5 V V1=V2=V3=3.5 V V1=V2=V3=1.5 V V1=V2=V3=3.5 V V1=V2=V3=3.5 V V1=V2=V3=1.5 V V1=V2=V3=1.5 V − −300 −300 20 0 0 50 300 300 0.1 1.40 0.80 1.40 0.80 µA nA nA µA MΩ MΩ MΩ MΩ V V 5 5 5 5 6 6 6 6 3 3 3 3 3 3 3 3 − *5 − 0.90 0.50 0.90 0.50 0.40 0.20 0.40 0.20 VCCx0.8 *5 VCTL(H) VCTL(L) − − − − − − VCCx0.2 − − − − Seiko Instruments Inc. 7 BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK S-8233A Series Rev.3.2_10 Table 6 (2 / 2) (Ta = 25 °C unless otherwise specified) Measure- Measurement ment Typ. Max. Unit condition circuit − − − − − − − − − − − − VSS+0.1 VSS+0.1 100 V V V nA V V V V V V V 7 7 8 14 13 13 13 13 13 13 15 4 4 5 9 8 8 8 8 8 8 10 Item Output voltage DOP"H" voltage DOP"L" voltage COP"L" voltage COP OFF LEAK current CD1"H" voltage CD1"L" voltage CD 2"H" voltage CD 2"L" voltage CD3"H" voltage CD3"L" voltage 0 V battery charging function 0 V charging start voltage Symbol Condition Min. VDO(H) VDO(L) VCO(L) ICOL VCD1(H) VCD1(L) VCD2(H) VCD2(L) VCD3(H) VCD3(L) V0CHAR IOUT=10 µA IOUT=10 µA IOUT=10 µA V1=V2=V3=4.5 V IOUT=0.1 µA IOUT=10 µA IOUT=0.1 µA IOUT=10 µA IOUT=0.1 µA IOUT=10 µA VCC-0.5 − − − VCC -0.5 − VCC -0.5 − VC1+0.1 VC2+0.1 − VCC -0.5 − − − VSS+0.1 1.4 −*5 *1. *2. *3. *4. *5. If over current detection voltage 1 is 0.50 V, both over current detection voltages 1 and 2 are 0.54 to 0.55 V, but VIOV2 > VIOV1. Voltage temperature factor 1 indicates over charge detection voltage, over charge release voltage, over discharge detection voltage, and over discharge release voltage. Voltage temperature factor 2 indicates over current detection voltage. The DOP and COP logic must be established for the operating voltage. This spec applies for only 0 V battery charging function available type. 8 Seiko Instruments Inc. Rev.3.2_10 Measurement Circuits BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK S-8233A Series (1) Measurement 1 Measurement circuit 1 Set V1, V2, and V3 to 3.5 V under normal condition. Increase V1 from 3.5 V gradually. The V1 voltage when COP = 'H' is over charge detection voltage 1 (VCU1). Decrease V1 gradually. The V1 voltage when COP = 'L' is over charge release voltage 1 (VCD1). Further decrease V1. The V1 voltage when DOP = 'H' is over discharge voltage 1 (VDD1). Increase V1 gradually. The V1 voltage when DOP = 'L' is over discharge release voltage 1 (VDU1). Remark The voltage change rate is 150 V/s or less. (2) Measurement 2 Measurement circuit 1 Set V1, V2, and V3 to 3.5 V under normal condition. Increase V2 from 3.5 V gradually. The V2 voltage when COP = 'H' is over charge detection voltage 2 (VCU2). Decrease V2 gradually. The V2 voltage when COP = 'L' is over charge release voltage 2 (VCD2). Further decrease V2. The V2 voltage when DOP = 'H' is over discharge voltage 2 (VDD2). Increase V2 gradually. The V2 voltage when DOP = 'L' is over discharge release voltage 2 (VDU2). Remark The voltage change rate is 150 V/s or less. (3) Measurement 3 Measurement circuit 1 Set V1, V2, and V3 to 3.5 V under normal condition. Increase V3 from 3.5 V gradually. The V3 voltage when COP = 'H' is over charge detection voltage 3 (VCU3). Decrease V3 gradually. The V3 voltage when COP = 'L' is over charge release voltage 3 (VCD3). Further decrease V3. The V3 voltage when DOP = 'H' is over discharge voltage 3 (VDD3). Increase V3 gradually. The V3 voltage when DOP = 'L' is over discharge release voltage 3 (VDU3). Remark The voltage change rate is 150 V/s or less. (4) Measurement 4 Measurement circuit 2 Set V1, V2, V3 to 3.5 V and V4 to 0 V under normal condition. Increase V4 from 0 V gradually. The V4 voltage when DOP = 'H' and COP = 'H', is over current detection voltage 1 (VIOV1). Set V1, V2, and V3 to 3.5 V and V4 to 0 V under normal condition. Fix the COVT terminal at VSS, increase V4 from 0 V gradually. The V4 voltage when DOP = 'H' and COP = 'H' is over current detection voltage 2 (VIOV2). Set V1, V2, and V3 to 3.5 V and V4 to 0 V under normal condition. Fix the COVT terminal at VSS, increase V4 gradually from 0 V at 400 µs to 2 ms. The V4 voltage when DOP = 'H' and COP = 'H' is over current detection voltage 3 (VIOV3). (5) Measurement 5 Measurement circuit 3 Set S1 to ON, V1, V2, and V3 to 3.5 V, and V4 to 0 V under normal condition and measure current consumption. I1 is the normal condition current consumption (IOPE), I2, the cell 2 current consumption (ICELL2), and I3, the cell 3 current consumption (ICELL3). Set S1 to ON, V1, V2, and V3 to 1.5 V, and V4 to 4.5 V under over discharge condition. Current consumption I1 is power-down current consumption (IPDN). (6) Measurement 6 Measurement circuit 3 Set S1 to ON, V1, V2, and V3 to 3.5 V, and V4 to 10.5 V under normal condition. V4/I4 is the internal resistance between VCC and VMP (RVCM). Set S1 to ON, V1, V2, and V3 to 1.5 V, and V4 to 4.1 V under over discharge condition. (4.5-V4)/I4 is the internal resistance between VSS and VMP (RVSM). Seiko Instruments Inc. 9 BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK S-8233A Series Rev.3.2_10 (7) Measurement 7 Measurement circuit 4 Set S1 to ON, S2 to OFF, V1, V2, and V3 to 3.5 V, and V4 to 0 V under normal condition. Increase V5 from 0 V gradually. The V5 voltage when I1 = 10 µA is DOP'L' voltage (VD0(L)). Set S1 to OFF, S2 to ON, V1, V2, V3 to 3.5 V, and V4 to VIOV2+0.1 V under over current condition. Increase V6 from 0 V gradually. The V6 voltage when I2 = 10 µA is the DOP'H' voltage (VDO(H)). (8) Measurement 8 Measurement circuit 5 Set V1, V2, V3 to 3.5 V and V4 to 0 V under normal condition. Increase V5 from 0 V gradually. The V5 voltage when I1 = 10 µA is the COP'L' voltage (VC0(L)). (9) Measurement 9 Measurement circuit 6 Set V1, V2, V3 to 3.5 V under normal condition. Increase V1 from 3.5 V to 4.5 V immediately (within 10 µs). The time after V1 becomes 4.5 V until COP goes 'H' is the over charge detection delay time 1 (tCU1). Set V1, V2, V3 to 3.5 V under normal condition. Decrease V1 from 3.5 V to 1.9 V immediately (within 10 µs). The time after V1 becomes 1.9 V until DOP goes 'H' is the over discharge detection delay time 1 (tDD1). (10) Measurement 10 Measurement circuit 6 Set V1, V2, V3 to 3.5 V under normal condition. Increase V2 from 3.5 V to 4.5 V immediately (within 10 µs). The time after V2 becomes 4.5 V until COP goes 'H' is the over charge detection delay time 2 (tCU2). Set V1, V2, V3 to 3.5 V under normal condition. Decrease V2 from 3.5 V to 1.9 V immediately (within 10 µs). The time after V2 becomes 1.9 V until DOP goes 'H' is the over discharge detection delay time 2 (tDD2). (11) Measurement 11 Measurement circuit 6 Set V1, V2, V3 to 3.5 V under normal condition. Increase V3 from 3.5 V to 4.5 V immediately (within 10 µs). The time after V3 becomes 4.5 V until COP goes 'H' is the over charge detection delay time 3 (tCU3). Set V1, V2, V3 to 3.5 V under normal condition. Decrease V3 from 3.5 V to 1.9 V immediately (within 10 µs). The time after V3 becomes 1.9 V until DOP goes 'H' is the over discharge detection delay time 3 (tDD3). (12) Measurement 12 Measurement circuit 7 Set V1, V2, V3 to 3.5 V and S1 to OFF under normal condition. Increase V4 from 0 V to 0.55 V immediately (within 10 µs). The time after V4 becomes 0.55 V until DOP goes 'H' is the over current detection delay time 1 (tI0V1). Set V1, V2, V3 to 3.5 V and S1 to OFF under normal condition. Increase V4 from 0 V to 0.75 V immediately (within 10 µs). The time after V4 becomes 0.75 V until DOP goes 'H' is the over current detection delay time 2 (tIOV2) Set S1 to ON to inhibit over discharge detection. Set V1, V2, V3 to 4.0 V and increase V4 from 0 V to 6.0 V immediately (within 1 µs) and decrease V1, V2, and V3 to 2.0 V at a time. The time after V4 becomes 6.0 V until DOP goes 'H' is the over current detection delay time 3 (tIOV3). 10 Seiko Instruments Inc. Rev.3.2_10 BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK S-8233A Series (13) Measurement 13 Measurement circuit 8 Set S4 to ON, S1, S2, S3, S5, and S6 to OFF, V1, V2, V3 to 3.5 V and V4, V6, and V7 to 0 V under normal condition. Increase V5 from 0 V gradually. The V5 voltage when I2 = 10 µA is the CD1'L' voltage (VCD1(L)) Set S5 to ON, S1, S2, S3, S4, and S6 to OFF, V1, V2, and V3 to 3.5 V and V4, V5, and V7 to 0 V under normal condition. Increase V6 from 0 V gradually. The V6 voltage when I3 = 10 µA is the CD2'L' voltage (VCD2(L)). Set S6 to ON, S1, S2, S3, S4, and S5 to OFF, V1, V2, and V3 to 3.5 V and V4, V5, and V6 to 0 V under normal condition. Increase V7 from 0 V gradually. The V7 voltage when I4 = 10 µA is the CD3'L' voltage (VCD3(L)). Set S1 to ON, S2, S3, S4, S5, and S6 to OFF, V1 to 4.5 V, V2 and V3 to 3.5 V and V5, V6, and V7 to 0 V under over charge condition. Increase V4 from 0 V gradually. The V4 voltage when I1 = 0.1 µA is the CD1'H' voltage (VCD1(H)). Set S2 to ON, S1, S3, S4, S5, and S6 to OFF, V2 to 4.5 V, V1 and V3 to 3.5 V and V5, V6, and V7 to 0 V under over charge condition. Increase V4 from 0 V gradually. The V4 voltage when I1 = 0.1 µA is the CD2'H' voltage (VCD2(H)). Set S3 to ON, S1, S2, S4, S5, and S6 to OFF, V3 to 4.5 V, V1 and V2 to 3.5 V and V5, V6, and V7 to 0 V under over charge condition. Increase V4 from 0 V gradually. The V4 voltage when I1 = 0.1 µA is the CD3'H' voltage (VCD3(H)). (14) Measurement 14 Measurement circuit 9 Set V1, V2, and V3 to 4.5 V under over charge condition. The current I1 flowing to COP terminal is COP OFF LEAK current (ICOL). (15) Measurement 15 Measurement circuit 10 Set V1, V2, and V3 to 0 V, and V8 to 2 V, and decrease V8 gradually. The V8 voltage when COP = 'H' (VSS + 0.1 V or higher) is the 0V charge start voltage (V0CHAR). Seiko Instruments Inc. 11 BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK S-8233A Series V4 Rev.3.2_10 1 MΩ DOP VCC V1 CD1 VC1 V2 CD2 VC2 V3 CD3 VSS S-8233A CCT V2 1 MΩ DOP VCC V1 CD1 COP VMP CTL COP VMP CTL VC1 CD2 VC2 V3 CD3 VSS S-8233A CCT CDT CDT COVT COVT Measurement circuit 1 I4 V4 I1 VCC V1 CD1 I2 VC1 V2 CD2 I3 VC2 V3 CD3 VSS COVT S-8233A CCT CTL DOP COP VMP S1 V5 Measurement circuit 2 S1 V6 S2 I2 V4 I1 DOP VCC V1 CD1 VC1 V2 CD2 S-8233A COP VMP CTL CCT CDT VC2 V3 CD3 VSS CDT COVT Measurement circuit 3 V5 Measurement circuit 4 I1 1 MΩ V4 DOP VCC V1 CD1 COP VMP CTL DOP VCC V1 CD1 COP VMP CTL VC1 V2 CD2 S-8233A CCT VC1 V2 CD2 VC2 V3 CD3 VSS S-8233A CCT C1 VC2 V3 CD3 VSS CDT C1=0.47 µF C2=0.1 µF C3=0.1 µF CDT C2 COVT COVT C3 Measurement circuit 5 Figure 4 (1/2) 12 Seiko Instruments Inc. Measurement circuit 6 Rev.3.2_10 V4 1 MΩ BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK S-8233A Series 1 MΩ VCC CD1 I2 V5 VC1 CD2 I3 V6 S-8233A CCT DOP COP VMP CTL DOP VCC V1 CD1 COP VMP CTL V1 I1 V4 S1 S4 S2 VC1 V2 CD2 S-8233A C1=0.47 µF C2=0.1 µF C3=0.1 µF COVT CCT C1 S1 CDT C2 V2 S5 S3 V3 S6 VC2 CD3 VC2 V3 CD3 VSS CDT C3 I4 V7 VSS COVT Measurement circuit 7 Measurement circuit 8 I1 DOP VCC V1 CD1 VC1 V2 CD2 S-8233A CCT COP VMP CTL V8 1 MΩ DOP VCC COP VMP CTL V1 CD1 VC1 V2 CD2 VC2 V3 S-8233A CCT VC2 V3 CD3 VSS CDT CDT COVT CD3 VSS COVT Measurement circuit 9 Figure 4 (2/2) Measurement circuit 10 Seiko Instruments Inc. 13 BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK S-8233A Series Rev.3.2_10 Operation Remark Refer to “Battery Protection IC Connection Example”. Normal condition This IC monitors the voltages of the three serially-connected batteries and the discharge current to control charging and discharging. If the voltages of all the three batteries are in the range from the over discharge detection voltage (VDD) to the over charge detection voltage (VCU), and the current flowing through the batteries becomes equal or lower than a specified value (the VMP terminal voltage is equal or lower than over current detection voltage 1), the charging and discharging FETs turn on. In this condition, charging and discharging can be carried out freely. This condition is called the normal condition. In this condition, the VMP and VCC terminals are shorted by the RVCM resistor. Over current condition This IC is provided with the three over current detection levels (VIOV1,VIOV2 and VIOV3) and the three over current detection delay time (tIOV1,tIOV2 and tIOV3) corresponding to each over current detection level. If the discharging current becomes equal to or higher than a specified value (the VMP terminal voltage is equal to or higher than the over current detection voltage) during discharging under normal condition and it continues for the over current detection delay time (tIOV) or longer, the discharging FET turns off to stop discharging. This condition is called an over current condition. The VMP and VCC terminals are shorted by the RVCM resistor at this time. The charging FET turns off. When the discharging FET is off and a load is connected, the VMP terminal voltage equals the VSS potential. The over current condition returns to the normal condition when the load is released and the impedance between the EB- and EB+ terminals (see Figure 9 for a connection example) is 100 MΩ or higher. When the load is released, the VMP terminal, which and the VCC terminal are shorted with the RVCM resistor, goes back to the VCC potential. The IC detects that the VMP terminal potential returns to over current detection voltage 1 (VIOV1) or lower (or the over current detection voltage 2 (VIOV2) or lower if the COVT terminal is fixed at the 'L' level and over current detection 1 is inhibited) and returns to the normal condition. Over charge condition If one of the battery voltages becomes higher than the over charge detection voltage (VCU) during charging under normal condition and it continues for the over charge detection delay time (tCU) or longer, the charging FET turns off to stop charging. This condition is called the over charge condition. The 'H' level signal is output to the conditioning terminal corresponding to the battery which exceeds the over charge detection voltage until the battery becomes equal to lower than the over charge release voltage (VCD). The battery can be discharged by connecting an Nch FET externally. The discharging current can be limited by inserting R11, R12 and R13 resistors (see Figure 9 for a connection example). The VMP and VCC terminals are shorted by the RVCM resistor under the over charge condition. The over charge condition is released in two cases: 1) The battery voltage which exceeded the over charge detection voltage (VCU) falls below the over charge release voltage (VCD), the charging FET turns on and the normal condition returns. 2) If the battery voltage which exceeded the over charge detection voltage (VCU) is equal or higher than the over charge release voltage (VCD), but the charger is removed, a load is placed, and discharging starts, the charging FET turns on and the normal condition returns. The release mechanism is as follows: the discharge current flows through an internal parasitic diode of the charging FET immediately after a load is installed and discharging starts, and the VMP terminal voltage decreases by about 0.6 V from the VCC terminal voltage momentarily. The IC detects this voltage (over current detection voltage 1 or higher), releases the over charge condition and returns to the normal condition. 14 Seiko Instruments Inc. Rev.3.2_10 BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK S-8233A Series Over discharge condition If any one of the battery voltages falls below the over discharge detection voltage (VDD) during discharging under normal condition and it continues for the over discharge detection delay time (tDD) or longer, the discharging FET turns off and discharging stops. This condition is called the over discharge condition. When the discharging FET turns off, the VMP terminal voltage becomes equal to the VSS voltage and the IC's current consumption falls below the power-down current consumption (IPDN). This condition is called the power-down condition. The VMP and VSS terminals are shorted by the RVSM resistor under the over discharge and power-down conditions. The power-down condition is canceled when the charger is connected and the voltage between VMP and VSS is 3.0 V or higher (over current detection voltage 3). When all the battery voltages becomes equal to or higher than the over discharge release voltage (VDU) in this condition, the over discharge condition changes to the normal condition. Delay circuits The over charge detection delay time (tCU1 to tCU3), over discharge detection delay time (tDD1 to tDD3), and over current detection delay time 1 (tIOV1) are changed with external capacitors (C4 to C6). The delay times are calculated by the following equations: Min. Typ. Max. tCU[s] =Delay factor ( 1.07, 2.13, 3.19)×C4 [uF] tDD[s] =Delay factor ( 0.20, 0.40, 0.60)×C5 [uF] tIOV1[s]=Delay factor ( 0.10, 0.20, 0.30)×C6 [uF] Caution: The delay time for over current detection 2 and 3 is fixed by an internal IC circuit. The delay time cannot be changed via an external capacitor. CTL terminal If the CTL terminal is floated under normal condition, it is pulled up to the VCC potential in the IC, and both the charging and discharging FETs turn off to inhibit charging and discharging. Both charging and discharging are also inhibited by applying the VCC terminal to the CTL terminal externally. At this time, the VMP and VCC terminals are shorted by the RVCM resistor. When the CTL terminal becomes equal to VSS potential, charging and discharging are enabled and go back to their appropriate conditions for the battery voltages. Caution Please note unexpected behavior might occur when electrical potential difference between the CTL pin ('L' level) and VSS is generated through the external filter (RVSS and CVSS) as a result of input voltage fluctuations. 0 V battery charging function This function is used to recharge the three serially-connected batteries after they self-discharge to 0 V. When the 0 V charging start voltage (V0CHAR) or higher is applied to between VMP and VSS by connecting the charger, the charging FET gate is fixed to VSS potential. When the voltage between the gate sources of the charging FET becomes equal to or higher than the turn-on voltage by the charger voltage, the charging FET turns on to start charging. At this time, the discharging FET turns off and the charging current flows through the internal parasitic diode in the discharging FET. If all the battery voltages become equal to or higher than the over discharge release voltage (VDU), the normal condition returns. Caution: In the products without 0 V battery charging function, the resistance between VCC and VMP and between VSS and VMP are lower than the products with 0 V battery charging function. It causes to that over charge detection voltage increases by the drop voltage of R5 (see Figure 9 for a connection example) with sink current at VMP. The COP output is undefined below 2.0 V on VCC-VSS voltage in the products without 0 V battery charging function. Seiko Instruments Inc. 15 BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK S-8233A Series Rev.3.2_10 Voltage temperature factor Voltage temperature factor 1 indicates over charge detection voltage, over charge release voltage, over discharge detection voltage, and over discharge release voltage. Voltage temperature factor 2 indicates over current detection voltage. The Voltage temperature factors 1 and 2 are expressed by the oblique line parts in Figure 5. Ex. Voltage temperature factor of over charge detection voltage VCU [V] +0.1 mV/°C VCU25 VCU25 is the over charge detection voltage at 25°C −0.1 mV/°C −20 25 Ta [°C] 70 Figure 5 16 Seiko Instruments Inc. Rev.3.2_10 Timing Chart 1. Overcharge detection BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK S-8233A Series V1 battery VCU VCD VDU VDD VCC DOP terminal VSS COP terminal VSS VCHA VCC VIOV1 VSS Charger connected Load connected Mode *1. *1 V2 battery V3 battery Battery voltage Hi-z Hi-z Hi-z Hi-z VMP terminal Delay Delay Delay Delay Delay & Normal mode, Over charge mode, Over discharge mode, Over current mode Remark The charger is assumed to charge with a constant current. VCHA indicates the open voltage of the charger. Figure 6 2. Overdischarge detection Battery voltage VCU VCD VDU VDD VCC DOP terminal VSS COP terminal VSS VCHA VCC VIOV1 VSS Charger connected Load connected Mode*1 *1. Normal mode, Over charge mode, Over discharge mode, Over current mode Remark The charger is assumed to charge with a constant current. VCHA indicates the open voltage of the charger. V1 battery V2 battery V3 battery Hi-z VMP terminal Delay Delay Delay Delay Delay Figure 7 Seiko Instruments Inc. 17 BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK S-8233A Series 3. Over current detection V1, V2, and V3 batteries Battery voltage VCU VCD VDU VDD VCC DOP terminal VSS COP terminal VSS VCC VMP VIOV1 terminal VIOV2 VIOV3 Charger connected Load connected Mode*1 Delay tIOV1 Delay tIOV2 Delay Rev.3.2_10 Hi-z Hi-z Hi-z Hi-z tIOV3 Inhibit charging and discharging CTL terminal VSS VCC *1. Normal mode, Over charge mode, Over discharge mode, Over current mode Remark The charger is assumed to charge with a constant current. VCHA indicates the open voltage of the charger. CTL terminal VCC VSS Figure 8 18 Seiko Instruments Inc. Rev.3.2_10 BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK S-8233A Series Battery Protection IC Connection Example EB+ FET-A FET-B R6 1 MΩ DOP FET1 Battery 1 R11 C1 VCC CD1 COP VMP Nch open drain CTL R7 1 KΩ GND: Normal operation Floating: Inhibit charging and discharging. CCT C4 CD2 S-8233A series CDT VC2 FET3 R13 Battery 3 C3 CD3 VSS R3 EBCOVT C6 C5 Over discharge delay time setting FET-C High: Inhibit over discharge detection. Over current delay time setting Over charge delay time setting R5 10 KΩ R1 FET2 Battery 2 R12 C2 VC1 R2 Figure 9 [Description of Figure 9] R11, R12, and R13 are used to adjust the battery conditioning current. The conditioning current during over charge detection is given by Vcu (over charge detection voltage)/R (R: resistance). To disable the conditioning function, open CD1, CD2, and CD3. The over charge detection delay time (tCU1 to tCU3), over discharge detection delay time (tDD1 to tDD3), and over current detection delay time (tIOV1) are changed with external capacitors (C4 to C6). See the electrical characteristics. R6 is a pull-up resistor that turns FET-B off when the COP terminal is opened. Connect a 100 kΩ to 1 MΩ resistor. R5 is used to protect the IC if the charger is connected in reverse. Connect a 10 kΩ to 50 kΩ resistor. If capacitor C6 is absent, rush current occurs when a capacitive load is connected and the IC enters the over current mode. C6 must be connected to prevent it. If capacitor C5 is not connected, the IC may enter the over discharge condition due to variations of battery voltage when the over current occurs. In this case, a charger must be connected to return to the normal condition. To prevent this, connect an at least 0.01 µF capacitor to C5. If a leak current flows between the delay capacitor connection terminal (CCT, CDT, or COVT) and VSS, the delay time increases and an error occurs. The leak current must be 100 nA or less. Over discharge detection can be disabled by using FET-C. The FET-C off leak must be 0.1 µA or less. If over discharge is inhibited by using this FET, the current consumption does not fall below 0.1 µA even when the battery voltage drops and the IC enters the over discharge detection mode. R1, R2, and R3 must be 1 kΩ or less. R7 is the protection of the CTL when the CTL terminal voltage higher than VCC voltage. Connect a 300 Ω to 5 kΩ resister. If the CTL terminal voltage never greater than the VCC voltage (ex. R7 connect to VSS), without R7 resistance is allowed . Seiko Instruments Inc. 19 BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK S-8233A Series Rev.3.2_10 Caution 1. The above constants may be changed without notice. 2. If any electrostatic discharge of 2000 V or higher is not applied to the S-8233A series with a human body model, R1, R2, R3, C1, C2, and C3 are unnecessary. 3. It has not been confirmed whether the operation is normal or not in circuits other than the above example of connection. In addition, the example of connection shown above and the constant do not guarantee proper operation. Perform through evaluation using the actual application to set the constant. Precautions If a charger is connected in the over discharge condition and one of the battery voltages becomes equal to or higher than the over charge release voltage (VCU) before the battery voltage which is below the over discharge detection voltage (VDD) becomes equal to or higher than the over discharge release voltage (VDU), the over discharge and over charge conditions are entered and the charging and discharging FETs turn off. Both charging and discharging are disabled. If the battery voltage which was higher than the over charge detection voltage (VCU) falls to the over charge release voltage (VCD) due to internal discharging, the charging FET turns on. If the charger is detached in the over charge and over discharge condition, the over charge condition is released, but the over discharge condition remains. If the charger is connected again, the battery condition is monitored after that. The charging FET turns off after the over charge detection delay time, the over charge and over discharge conditions are entered. If any one of the battery voltages is equal to or lower than the over discharge release voltage (VDU) when they are connected for the first time, the normal condition may not be entered. If the VMP terminal voltage is made equal to or higher than the VCC voltage (if a charger is connected), the normal condition is entered. If the CTL terminal floats in power-down mode, it is not pulled up in the IC, charging and discharging may not be inhibited. However, the over discharge condition becomes effective. If the charger is connected, the CTL terminal is pulled up, and charging and discharging are inhibited immediately. Do not apply an electrostatic discharge to this IC that exceeds the performance ratings of the built-in electrostatic protection circuit. SII claims no responsibility for any disputes arising out of or in connection with any infringement by products including this IC of patents owned by a third party. 20 Seiko Instruments Inc. Rev.3.2_10 BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK S-8233A Series Characteristics (typical characteristics) 1. Detection voltage temperature characteristics Overcharge detection voltage vs. temperature 4.35 VCU (V) VCU=4.25[V] Overcharge release voltage vs. temperature 4.20 VCD (V) VCD=4.10[V] 4.25 4.10 4.15 -40 -20 0 20 Ta(°C) 40 60 80 100 4.00 -40 -20 0 20 Ta(°C) 40 60 80 100 Overdischarge detection voltage vs. temperature 2.45 VDD (V) VDD=2.35[V] Overdischarge release voltage vs. temperature 2.95 VDU (V) VDU=2.85[V] 2.35 2.85 2.25 -40 -20 0 20 Ta(°C) 40 60 80 100 2.75 -40 -20 0 20 Ta(°C) 40 60 80 100 Overcurrent1 detection voltage vs. temperature 0.35 VIOV1 (V) VIOV1=0.3 [V] Overcurrent2 detection voltage vs. temperature 0.65 VIOV2 (V) VIOV2=0.6 [V] 0.30 0.60 0.25 -40 -20 0 20 Ta(°C) 40 60 80 100 0.55 -40 -20 0 20 Ta(°C) 40 60 80 100 Seiko Instruments Inc. 21 BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK S-8233A Series 2. Current consumption temperature characteristics Rev.3.2_10 Current consumption vs. temperature in normal mode 50 IOPE (uA) VCC=10.5 [V] Current consumption vs. temperature in power-down mode 1.0 IPDN (nA) VCC=4.5 [V] 25 0.5 0 -40 -20 0 20 Ta(°C) 40 60 80 100 0.0 -40 -20 0 20 Ta(°C) 40 60 80 100 3. Delay time temperature characteristics Overcharge detection time vs. temperature 1.5 tCU (s) C=0.47[uF] VCC=11.5 [V] Overdischarge detection time vs. temperature 60 tDD (ms) C=0.1[uF] VCC=8.5 [V] 1.0 40 0.5 -40 -20 0 20 Ta(°C) 40 60 80 100 20 -40 -20 0 20 40 60 80 100 Ta(°C) Overcurrent1 detection time vs. temperature 30 tIOV1 (ms) C=0.1[uF] VCC=10.5 [V] Overcurrent2 detection time vs. temperature VCC=10.5 [V] 8 tIOV2 (ms) 20 5 10 -40 2 -20 0 20 40 60 80 100 -40 -20 0 20 Ta(°C) 40 60 80 100 Ta(°C) 22 Seiko Instruments Inc. Rev.3.2_10 BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK S-8233A Series Overcurrent3 (load short) detection time vs. temperature 0.40 VCC=6.0 [V] tIOV3 (ms) 0.25 0.10 -40 -20 0 20 Ta(°C) 40 60 80 100 4. Delay time vs. power supply voltage Over current 3 (load short) detection time vs. power supply voltage 1.0 Ta =25(°C) tIOV3(ms) 0.5 0 3 6 9 VCC(V) 12 15 Caution Please design all applications of the S-8233A Series with safety in mind. Seiko Instruments Inc. 23 10.06 (10.5 max.) 0.2 -0.02 +0.05 1.27 0.4 +0.1 -0.05 No. FE014-A-P-SD-1.1 TITLE No. SCALE UNIT SOP14-A-PKG Dimensions FE014-A-P-SD-1.1 mm Seiko Instruments Inc. (10 pitches:40.0±0.1) ø1.5 -0 +0.1 4.0±0.1 2.0±0.1 0.3±0.05 12.0±0.1 8.8±0.1 ø1.6±0.1 2.7±0.1 5.4±0.2 8.5 -0.2 +0.4 8 7 14 1 Feed direction No. FE014-A-C-SD-1.1 TITLE No. SCALE UNIT SOP14-A-Carrier Tape FE014-A-C-SD-1.1 mm Seiko Instruments Inc. ø10 17.4±1.0 21.4±1.0 Enlarged drawing in the central part ø21.0±0.8 2.0±0.5 ø13.0±0.2 No. FE014-A-R-SD-1.1 TITLE No. SCALE UNIT mm SOP14-A-Reel FE014-A-R-SD-1.1 QTY. 2,000 Seiko Instruments Inc. 5.1±0.2 16 9 1 8 0.17±0.05 0.65 0.22±0.08 No. FT016-A-P-SD-1.1 TITLE No. SCALE UNIT TSSOP16-A-PKG Dimensions FT016-A-P-SD-1.1 mm Seiko Instruments Inc. ø1.5 -0 +0.1 4.0±0.1 2.0±0.1 0.3±0.05 8.0±0.1 ø1.6±0.1 (7.2) 4.2±0.2 1.5±0.1 6.5 -0.2 +0.4 1 16 8 9 Feed direction No. FT016-A-C-SD-1.1 TITLE No. SCALE UNIT TSSOP16-A-Carrier Tape FT016-A-C-SD-1.1 mm Seiko Instruments Inc. 21.4±1.0 17.4±1.0 17.4 -1.5 +2.0 Enlarged drawing in the central part ø21±0.8 2.0±0.5 ø13.0±0.2 No. FT016-A-R-SD-1.1 TITLE No. SCALE UNIT TSSOP16-A- Reel FT016-A-R-SD-1.1 QTY. mm 2,000 Seiko Instruments Inc. • • • • • • The information described herein is subject to change without notice. Seiko Instruments Inc. is not responsible for any problems caused by circuits or diagrams described herein whose related industrial properties, patents, or other rights belong to third parties. The application circuit examples explain typical applications of the products, and do not guarantee the success of any specific mass-production design. When the products described herein are regulated products subject to the Wassenaar Arrangement or other agreements, they may not be exported without authorization from the appropriate governmental authority. Use of the information described herein for other purposes and/or reproduction or copying without the express permission of Seiko Instruments Inc. is strictly prohibited. The products described herein cannot be used as part of any device or equipment affecting the human body, such as exercise equipment, medical equipment, security systems, gas equipment, or any apparatus installed in airplanes and other vehicles, without prior written permission of Seiko Instruments Inc. Although Seiko Instruments Inc. exerts the greatest possible effort to ensure high quality and reliability, the failure or malfunction of semiconductor products may occur. The user of these products should therefore give thorough consideration to safety design, including redundancy, fire-prevention measures, and malfunction prevention, to prevent any accidents, fires, or community damage that may ensue.
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