TC78S6FTG TC78S6FTG TC78S6FTG 2 PWM 1-2 W1-2 2W1-24W1-2 (1) V CC 2.7~5.5 6 V VM 2.5~15 18 V : (2) / STBY = Low ENABLE = Low STBY = High ENABLE = High 1. 1. A (peak) 1
TC78S6FTG 2. PD-Ta Ta 85 Power dissipation PD (W) PCB 76mm 114mm 1.6mm 4 (JESD-51 ) Ambient temperature Ta () Iout =.6 A V SAT (U + L).96 V (Max) V CC = 3.3 V I CC1 = 6 ma (max), VM = 5 V I M1 = 2 ma (max) 1-2 W1-2 2W1-2 4W1-2 Iout(1%) 7 P D = ((Iout.7) V SAT (U + L) ) 2 + V CC I CC1 + VM I M1 =.864 +.198 +.1 =.84 W 2
TC78S6FTG 3. V CC = 3.3 V.1 μf 47 μf V CC VM.1 μf 47 μf VM = 5 V MO CPU I/O H/L H/L CK CW/CCW RESET ENABLE STBY M1 M2 TC78S6FTG A1 A2 B1 B2 RFA RFB 2 Ω 2 Ω H/L TQ Vref Vref OSC 22 pf GND (1) V CC GND IC V CC GND 1 μf~1 μf.1 μf~1 μf (2) VM VM GND IC VM GND 1 μf~1 μf.1 μf~1 μf 3
(3) GND TC78S6FTG IC () IC GND (4) OSC OSC C OSC = 22 pf = 32 khz (typ.) (5) RFA, RFB RFA, RFB RNF A, B I (Limit) I (Limit) (A) = 1/5 VrefV RNFV ( 1% TQ =H ) ) 1 %(TQ=H)Vref =2.5V.5 A 1. Ω 25(TQ=L).125 A Vref.5V 3.4V Vcc1.8V TQ=H 2.5V.5V RNF.25 4
TC78S6FTG 4. M1 M2 2 1-2 W1-2 2W1-2 CW/CCW 1 2 (M1: HM2: LCW ) 1 2 (M1: HM2: LCCW ) CK CK MO MO 1 1 I A I A 1 1 1 1 I B I B 1 1 t t 1 t 2 t 3 t 4 t 5 t 6 t 7 t 8 t t 1 t 2 t 3 t 4 t 5 t 6 t 7 t 8 5
TC78S6FTG W1 2 (M1: LM2: HCW ) CK MO 1 I A 1 1 I B 1 t t 1 t 2 t 3 t 4 t 5 t 6 t 7 t 8 t 9 t 1 t 11 t 12 t 13 t 14 t 15 t 16 6
TC78S6FTG W1 2 (M1: LM2: HCCW ) CK MO 1 I A 1 1 I B 1 t t 1 t 2 t 3 t 4 t 5 t 6 t 7 t 8 t 9 t 1 t 11 t 12 t 13 t 14 t 15 t 16 7
TC78S6FTG 2W1 2 (M1: HM2: HCW ) CK MO 1 98 83 56 2 I A 2 56 83 98 1 1 98 83 56 2 I B 2 56 83 98 1 t t 1 t 2 t 3 t 4 t 5 t 6 t 7 t 8 t 9 t 1 t 11 t 12 t 13 t 14 t 15 t 16 t 17 t 18 t 19 t 2 t 21 t 22 t 23 t 24 t 25 t 26 t 27 t 28 t 29 t 3 t 31 t 32 8
TC78S6FTG 2W1 2 (M1: HM2: HCCW ) CK MO 1 98 83 56 2 I A 2 56 83 98 1 1 98 83 56 2 I B 2 56 83 98 1 t t 1 t 2 t 3 t 4 t 5 t 6 t 7 t 8 t 9 t 1 t 11 t 12 t 13 t 14 t 15 t 16 t 17 t 18 t 19 t 2 t 21 t 22 t 23 t 24 t 25 t 26 t 27 t 28 t 29 t 3 t 31 t 32 9
TC78S6FTG 4W1 2 (M1: LM2: LCW ) CLK [%] 1 98 96 88 83 77 63 56 47 29 2 I A I B 1 1 2 29 47 56 63 77 83 88 96 98 1 tt64 1
TC78S6FTG 4W1 2 (M1: LM2: LCCW ) CLK [%] 1 98 96 88 83 77 63 56 47 29 2 I A I B 1 1 2 29 47 56 63 77 83 88 96 98 1 tt64 11
TC78S6FTG 12
TC78S6FTG VM RmPCB Rp IC Ron Imax VM Rm Rp + Ron 6% 8% 4 I (Limit) Imax VM Rm IC Imax VM Rm Rp + Ron 9% 95% PWM PWM VM=12V 13
TC78S6FTG VCC = 5VVM = 12VVref = 1V RFA = RFB = 1.5Ω STBY = RESET = ENABLE = TQ = M1 = M2 = CW/CCW= H OSC = 22pFCK = 1kHz ISD() VCC = 5VVM = 12VVref = 1V RFA = RFB = 1.5Ω STBY = RESET = ENABLE = TQ = M1 = M2 = CW/CCW= H OSC = 22pFCK = 1kHz M2CW/CCWVCC 1kΩ Vcc = 5 V Vref = 1 V 1 khz.1μf. Vref ENABLE CK Vcc Vcc STBY_B 1 2 3 4 5 6 22 pf 1μ F OSC 14 (NC) 24 7 TQ M1 23 8 MO_B M2 22 9 1kΩ GND VM 21 1 GND VM 2 11 RESET CW/CCW 1kΩ 19 12 17 16 15 14 13 AO1 RFA AO 2 BO1 RFB BO2.1μ F 1 μ F 1.5 Ω 1.5 Ω VM = 12 V
TC78S6FTG 15
TC78S6FTG RoHS RoHS 16