Datasheet BM2P139TF, BM2P135TF, BM2P137TKF, BM2P129TF (Rohm) - 4

BM2P139TF/BM2P135TF/BM2P137TKF/BM2P129TF
Datasheet Datasheet
Electrical Characteristics in Control IC part (Unless otherwise noted, Ta=25
℃
)
Specifications Parameter Symbol Unit Conditions Min Typ Max [Circuit current] At pulse operation Circuit current (ON) 1 ION1 - 850 1150 μA Drain = open BM2P1X9TF At pulse operation Circuit current (ON) 1 ION1 - 1200 1650 μA Drain = open BM2P137TKF At pulse operation Circuit current (ON) 1 ION1 - 950 1400 μA Drain = open BM2P135TF Circuit current (ON) 2 ION2 300 450 550 μA At burst operation [VCC pin protection function] VCC rising VCC UVLO voltage 1 VUVLO1 10.20 11.10 12.00 V (BM2P13XTF/137TKF) VCC dropping VCC UVLO voltage 2 VUVLO2 8.80 9.70 10.60 V (BM2P13XTF/137TKF) VCC UVLO hysteresis VUVLO3 - 1.40 - V VUVLO3= VUVLO1- VUVLO2 VCC UVLO voltage 1 VUVLO1 8.10 8.80 9.50 V BM2P129TF at VCC rising VCC UVLO voltage 2 VUVLO2 6.60 7.30 8.00 V BM2P129TF at VCC dropping VCC UVLO hysteresis VUVLO3 - 1.50 - V VUVLO3= VUVLO1- VUVLO2 VCC recharge start voltage VCHG1 9.50 10.20 10.90 V BM2P13XTF/137TKF VCC recharge stop voltage VCHG2 9.90 10.60 11.30 V BM2P13XTF/137TKF VCC recharge hysteresis VCHG3 0.20 0.40 0.70 V BM2P13XTF/137TKF VCC recharge start voltage VCHG1 7.00 7.70 8.40 V BM2P129TF VCC recharge stop voltage VCHG2 7.40 8.10 8.80 V BM2P129TF VCC recharge hysteresis VCHG3 0.20 0.40 0.70 V BM2P129TF VCC control voltage VCNT 12.87 13.00 13.13 V BM2P13XTF/137TKF VCC control voltage VCNT 11.88 12.00 12.12 V BM2P129TF BM2P13XTF/137TKF VCC OVP voltage 1 VOVP1 14.05 14.95 15.85 V at VCC rising BM2P13XTF/137TKF VCC OVP voltage 2 VOVP2 13.44 14.30 15.16 V at VCC dropping VCC OVP hysteresis VOVP3 - 0.65 - V BM2P13XTF/137TKF VCC OVP voltage 1 VOVP1 12.97 13.80 14.63 V BM2P129TF at VCC rising VCC OVP voltage 2 VOVP2 12.41 13.20 14.00 V BM2P129TF at VCC dropping VCC OVP hysteresis VOVP3 - 0.60 - V BM2P129TF VCC OVP timer TCOMP 50 100 150 us Control IC part Over temperature protection 1 TSD1 (120) (150) (180) C At temperature rising *1 Control IC part Over temperature protection 2 TSD2 - (85) - C At temperature dropping *1 Over temperature protection T hysteresis SD3 - (65) - C *1 [PWM type DC/DC driver block] Oscillation frequency FSW 94 100 106 KHz Frequency hopping width FDEL - 6.0 - KHz Maximum duty Dmax 66 75 84 % FB OLP ON detection timer TFOLP1 80 128 176 ms FB OLP OFF detection timer TFOLP2 332 512 692 ms Soft Start Time1 SS1 2.8 4.0 5.2 ms Soft Start Time2 SS2 5.6 8.0 10.4 ms Soft Start Time3 SS3 11.2 16.0 20.8 ms *1 Design guarantee data www.rohm.com © 2017 ROHM Co., Ltd. All rights reserved. 4/21
SZ02201-0F1F0A200260-1-2
TSZ22111・15・001
17.Apr.2017.Rev.002
Document Outline BM2P135TF_BM2P137TKF_BM2P139TF_BM2P129PF(E)_verB Notice-PGA-E