HA13614 HITACHI, HA13614 Datasheet
HA13614
Related parts for HA13614
HA13614 Summary of contents
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... A Max BTL VCM driver with low crossover distortion PWMDAC for VCM drive current control Power off brake function for spindle motor Auto retract with constant output voltage Booster Internal Protector (OTSD, LVI) Precision power monitor OP amplifier HA13614FH ADE-207-246D (Z) Preliminary 5th Edition October 1998 ...
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... HA13614FH Pin Arrangement OP1OUT 1 OP1IN OP2IN(+) 3 Vss 4 OP2OUT TABGND 7 VCMPS 8 VCMN VCMIN 11 VCMP 12 VCMSLC TABGND TABGND (Top View COMM 35 PHASE 34 SPNCTL UFLT 33 NFLT 32 VpsIN 31 TABGND VpsOUT 30 FLTOUT 29 Vpss ISENSE ...
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... Input of PWM comparator W-phase output of spindle motor driver +12 V power supply for spindle motor driver PWMDAC output for current control of spindle motor driver Output of power supply switch Input of power supply switch (+12 V) Output of pre-filter for B-EMF sensing (capacitor connection terminal) HA13614FH 3 ...
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... HA13614FH Pin Description (cont) Pin No. Pin Name 34 SPNCTL 35 PHASE 36 COMM 37 CLK SCLK 38 SEENAB 39 40 DATA 41 12VGOOD 42 VIPWML 43 VIPWMH 44 VREF 45 DACOUT 46 DELAY 47 LVI1 POR 48 TAB GND 4 Function PWMDAC input for current control of spindle motor driver Toggle signal output for zero-crossing timing of B-EMF ...
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... Vref(=5.3V) POW DWN BIAS Vps Vss SPNENAB EXTCOM BRAKE Power VCMENAB monitor2 SOFTSW TEST Vss SPNGAIN Power monitor1 LVI1 LVI2 DELAY 47 24 R101 R107 Vps Vdd (+3.3V) R102 R108 C117 HA13614FH C114 VpsOUT Vpss BST Spindle driver RNF 22 ISENSE 26 Vpsv 17 C110 V ...
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... HA13614FH Serial Port Construction SEENAB Note: When POR = Low, internal RESET signal becomes High and when RESET = High, all bit of serial port are set up default value as shown in table 2. Figure 1 Table 1 Truth Table of Internal RESET Signal POR Low Open 1. When + +3.3 V power supply goes to Low, then POR = Low. ...
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... B-EMF sense enable B-EMF sense disable Variable count Normal count External commutation Internal commutation High slew rate Low slew rate Commutation time select (See table 4) Off time select of PWM drive (See table 5) High gain Low gain Retract Not retract For testing HA13614FH ...
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... HA13614FH Table 3 Truth Table Input STAND BY OTSD 12 VGOOD SPN ENAB Enable Low * Disable Low Disable High Low Disable High High 0 Disable High High 0 Disable High High 1 Disable High High 0 Disable High High 0 Disable High High 1 Disable High High 0 Disable High High ...
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... Data input timing (Latch point, Up date point) is determined by CLK as shown above, and t1 requires two or more clock pulse D12 D11 D10 Figure 3 Input Timing of Serial Port HA13614FH OFF Time (s) 1 (32 / fclk fclk) 2 (32 / fclk fclk) 3 (32 / fclk fclk) 4 (32 / fclk fclk date point t0: 20ns Latch point ...
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... HA13614FH Timing Chart Power on Reset (1) Vhys Vsd Vpss, Vss and Vdd POR 12VGOOD 1.0V *2 Max 0 Note: 1. Please refer to external components table about how to determine the threshold voltage Vsd and delay time t 2. Operation for Vss. Figure 4 Power on Reset (2) Vpss, Vss or Vdd ...
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... Power on Reset (3) Vss Vps t por POR 12VGOOD ON Spindle Driver OFF ON VCM Driver OFF ON Retract Driver OFF Figure 6 t por Operation of the Power Monitor (3) HA13614FH 11 ...
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... HA13614FH Power Off Retract & Brake Vps GND Vpss GND POR GND ON Power SW OFF Normal U operation GND Normal V, W operation GND Retract off VCMP VCM on GND Retract off VCMN VCM on GND Note: Please see the External Component table about setting delay time t ...
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... Using external commutation mode SPNENAB EXTCOM COMM PHASE Note: “Synchronous driving” is defined as the period after changing SPNENAB = until the first positive edge of the PHASE signal. Figure 8 Synchronous driving* Synchronous driving* Start-up of the Spindle Motor HA13614FH B-EMF sensing driving B-EMF sensing driving 13 ...
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... HA13614FH Commutation Timing of the Spindle motor B-EMF PHASE (EXTCOM=0) *1 PHASE (EXTCOM=1) OUTPUT tspndly *2 IU Note the case of external commutation mode (EXTCOM=1), the signal PHASE will toggle at every B- EMF zero-crossing, and selected the internal commutation mode (EXTCOM=0), the PHASE will have the same period as B-EMF of the spindle motor. ...
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... DATA Vpsv SEENAB VCMSLC VIPWMH RETSET VIPWML OP2IN(+) VCMP OP2OUT VCMPS VCMIN PC VCMN DACOUT Rs VREF LVI1 OP1IN( ) LVI2 OP1OUT BC1 Vss BC2 POR DELAY VBST TAB HA13614FH Vps (+12V C114 RNF 26 13 C110 17 R101 C109 12 R106 C115 R102 14 R105 R104 C108 ...
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... HA13614FH External Components Recommendation Parts No R101 — R102 — R103 5.6 k R104 — R105 — R106 — R107 — R108 — R109 — R110 5 — R3 — Rnf 0.33 R 0.47 S C101, C102 — C103 — C104 0.1 F C105 0.1 F C106 0.22 F C107 2 ...
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... DPWMH + DPWML) 6500 : Internal reference voltage [V] (refer to Electrical Charasteristics) : Duty of input signal on terminal VIPWMH [%] : Duty of input signal on terminal VIPWML [%] VREF 5.3V R0 DACOUT OP2IN(+) GND OP2OUT VCMIN [F] HA13614FH Vps [V] (1) [V] (2) [V] (1)’ [V] (2)’ 3.2 (3) 5.3V OPAmp.2 VREF + to VCM driver VCMIN ...
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... HA13614FH 220 0.604 R4 where Cut off frequency of 3rd order LPF [Hz Output resistance of PWMDAC [ ] (refer to Electrical Characteristics) 4. The driving current of VCM Ivcm is determined by following equation. Vvcmin VREF Ivcm = R S where, Vvcmin : Input voltage on terminal VCMIN (pin 10) [V] Gvcm : Transfer function of VCM driver [dB] (refer to Electrical Characteristics) 5 ...
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... C112 and C116 that the ratio of C112/C116 is more than 3 times, because the last voltage of BRK and BRKDLY terminals falls if the value of C116 is big for C112, and effect of brake goes down. [Hz] [F] [F] Vthb C116 C112 BRK0 HA13614FH (15) (16) (17-1) (17-2) (18) [s] (19) 19 ...
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... HA13614FH Absolute Maximum Ratings Power supply Spindle current VCM current Input voltage Power dissipation Junction temperature Storage temperature Notes: 1. Operating voltage range power supply voltage exceed this operating range in actual application, the reliability of this IC can not be guaranteed. 2. Operating voltage range is 10 13.8 V. ...
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... V 19 — 21 MHz 4.6 — — V — — 0.4 V — — — — 0.4 V HA13614FH Applicable Test Conditions Pins Stand by, Vss fclk=20MHz fclk=20MHz Stand by Vpss & Vpsv VpsIN VpsOUT VpsOUT=15V, VpsIN=0V, Vss=0V, Vpss=Vpsv=0V Vil=0V CLK, COMM, SCLK , Vih1=5V DATA, SEENAB, ...
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... HA13614FH Electrical Characteristics ( Vss = 5 V, Vpss = Vpsv = 12 V) (cont) Item Symbol Spindle Output on Ron1 motor resistance driver On resistance Ron2 during braking Output Icer3 leakage current Output clamp Vf diode forward voltage Output MOS Vthb operating threshold voltage Leakage Icer4 current on brake terminal Input filter & ...
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... V — 0.4 10% V — — — — — 5 — 1 0.1 0.2 0.4 V HA13614FH Applicable Test Conditions Pins Io 1.0A VCMP, VCMN Vo=15V R =0. = L=2mH, R104=1.6M , C108=120pF VCMPS, Rs VCMIN VIPWMH, VIPWML FLTOUT VIPWMH=High, VCMPS, Rs VIPWML=High VIPWMH=Low, VIPWML=Low Rat=VIPWMH/ VIPWML Io= 1mA VREF Vpss=6 ...
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... HA13614FH Electrical Characteristics ( Vss = 5 V, Vpss = Vpsv = 12 V) (cont) Item Symbol Power Operating Vsd1 monitor voltage Hysteresis Vhys3 Vhys4 Cut off voltage Vsd2 Recovery Vrec voltage POR delay tpor time OP Output Rout2 amp.1 resistance Output Iomax1 maximum current Output voltage Vdev ...
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... Package Dimensions 17 2.425 4.85 0.30 0.27 0.825 2.925 0.10 Dimension including the plating thickness Base material dimension 0 0.08 0.13 M 0.06 2.925 HA13614FH 1.6 0.825 2.925 2.925 0.8 0.3 Hitachi Code FP-48T JEDEC EIAJ Weight (reference value) 1.2 g Unit ...
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... Cautions 1. Hitachi neither warrants nor grants licenses of any rights of Hitachi’s or any third party’s patent, copyright, trademark, or other intellectual property rights for information contained in this document. Hitachi bears no responsibility for problems that may arise with third party’s rights, including intellectual property rights, in connection with use of the information contained in this document ...