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PCA2002 Dataheets PDF



Part Number PCA2002
Manufacturers NXP
Logo NXP
Description CMOS
Datasheet PCA2002 DatasheetPCA2002 Datasheet (PDF)

PCA2002 32 kHz watch circuit with programmable output period and pulse width Rev. 9 — 6 December 2019 Product data sheet 1. General description The PCA2002 is a CMOS1 integrated circuit for battery operated wrist watches with a 32 kHz quartz crystal as the timing element and a bipolar stepping motor. The quartz crystal oscillator and the frequency divider are optimized for minimum current consumption. A timing accuracy of 1 ppm is achieved with a programmable, digital frequency adjustment. T.

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PCA2002 32 kHz watch circuit with programmable output period and pulse width Rev. 9 — 6 December 2019 Product data sheet 1. General description The PCA2002 is a CMOS1 integrated circuit for battery operated wrist watches with a 32 kHz quartz crystal as the timing element and a bipolar stepping motor. The quartz crystal oscillator and the frequency divider are optimized for minimum current consumption. A timing accuracy of 1 ppm is achieved with a programmable, digital frequency adjustment. The output period and the output pulse width can be programmed. It can be selected between a full output pulse or a chopped output pulse with a duty cycle of 75 %. In addition, a stretching pulse can be added to the primary driving pulse. A pad RESET is provided (used for stopping the motor) for accurate time setting and for accelerated testing of the watch. 2. Features and benefits  Amplitude-regulated 32 kHz quartz crystal oscillator, with excellent frequency stability and high immunity to leakage currents  Electrically programmable time calibration with 1 ppm resolution stored in One Time Programmable (OTP) memory  The quartz crystal is the only external component required  Very low current consumption: typically 90 nA  Output pulses for bipolar stepping motors  Five different programmable output periods (1 s to 30 s)  Output pulse width programmable between 1 ms and 8 ms  Full or chopped motor pulse and pulse stretching, selectable  Stop function for accurate time setting and current saving during shelf life  Test mode for accelerated testing of the mechanical parts of the watch  Test bits for type recognition 3. Applications  Driver circuits for bipolar stepping motors  High immunity motor drive circuits  High production volumes 1. The definition of the abbreviations and acronyms used in this data sheet can be found in Section 14. NXP Semiconductors PCA2002 32 kHz watch circuit with programmable output period and pulse width 4. Ordering information Table 1. Ordering information Type number Topside marking[1] PCA2002U/AB/1 PCA2002U/10AB/1 PCA2002DUS/DA PC 2002-1 PC 2002-1 PC 2002-1 Package Name wire bond die wire bond die WLCSP8 [1] Marking “PC2002-1” on active side of die Description 8 bonding pads; 1.16  0.86  0.22 mm 8 bonding pads; 1.16  0.86  0.22 mm wafer level chip-size package; 8 bumps; 1.16 mm x 0.86 mm Version PCA200xU PCA200xU SOT1455-1 4.1 Ordering options Table 2. Ordering options Type number Orderable part number PCA2002U/AB/1 PCA2002U/AB/1,026 PCA2002U/10AB/1 PCA2002U/10AB/1,00 PCA2002DUS/DA PCA2002DUS/DAZ Package wire bond die wire bond die WLCSP8 Packing method Minimum order quantity bare die; chip in tray 36000 sawn wafer on Film 45192 Frame Carrier (FFC), see Figure 17 Reel 7" Q1 in tape 4000 reel dry pack Temperature Tamb = 10 C to +60 C Tamb = 10 C to +60 C Tamb = 10 C to +60 C PCA2002 Product data sheet All information provided in this document is subject to legal disclaimers. .


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