L6229(2018) 데이터 시트보기 (PDF) - STMicroelectronics

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L6229
(Rev.:2018)

DMOS driver for 3-phase brushless DC motor

STMicroelectronics 

L6229

Electrical characteristics

Symbol

Table 6. Electrical characteristics

(VS = 48 V , Tamb = 25 °C , unless otherwise specified) (continued)

Parameter

Test conditions

Min. Typ. Max. Unit

PWM comparator and monostable

IRCOFF

VOFFSET

tprop

tblank

tON(min)

Source current at pin RCOFF

Offset voltage on sense comparator

Turn OFF propagation delay(3)

Internal blanking time on sense comparator

Minimum on time

tOFF PWM recirculation time

IBIAS Input bias current at pin VREF

TACHO monostable

VRCOFF = 2.5 V

Vref = 0.5 V

Vref = 0.5 V

-

3.5 5.5 - mA

- ±5 - mV

- 500 - ns

-1

- µs

-

- 2.5 3 µs

ROFF = 20 k; COFF 1 nF - 13

-

s

ROFF = 100 k; COFF 1 nF - 61

-

s

-

- - 10 µA

IRCPULSE Source current at pin RCPULSE

tPULSE Monostable of time

RTACHO Open drain ON resistance

VRCPULSE = 2.5 V

3.5 5.5 - mA

RPUL = 20 k; CPUL 1 nF - 12

-

s

RPUL = 100 k; CPUL 1 nF - 60

-

s

-

- 40 60 

Overcurrent detection and protection

ISOVER

ROPDR

IOH

Supply overcurrent protection threshold

Open drain ON resistance

OCD high level leakage current

tOCD(ON) OCD turn-ON delay time(4)

tOCD(OFF) OCD turn-OFF delay time(9)

TJ = -25 to 125 °C(1)

IDIAG = 4 mA

VDIAG = 5 V

IDIAG = 4 mA;

CDIAG < 100 pF

IDIAG = 4 mA;

CDIAG < 100 pF

2 2.8 3.55 A

- 40 60 

-1

- µA

- 200 - ns

- 100 - ns

1. Tested at 25 °C in a restricted range and guaranteed by characterization.

2. See Figure 3: Switching characteristic definition.

3. Measured applying a voltage of 1 V to pin SENSE and a voltage drop from 2 V to 0 V to pin VREF.

4. See Figure 4: Overcurrent detection timing definition.

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