AMIS-30543 datasheet(7/38 Pages) ONSEMI

Nome de Peças	AMIS-30543

Descrição Electrónicos	Micro-Stepping Motor Driver

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Fabricante Electrônico	ONSEMI [ON Semiconductor]

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AMIS−30543

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7

Table 4. DC PARAMETERS (The DC parameters are given for VBB and temperature in their operating ranges unless otherwise

specified) Convention: currents flowing in the circuit are defined as positive.

Symbol

Unit

Max

Typ

Min

Remark/Test Conditions

Parameter

Pin(s)

DIGITAL OUTPUTS

VOL

DO, ERR,

POR/WD

Logic Low level open drain

IOL = 5 mA

0.5

V

THERMAL WARNING AND SHUTDOWN

Ttw

Thermal Warning

150

160

170

°C

Ttsd

Thermal shutdown (Notes 9

and 10)

Ttw + 20

°C

CHARGE PUMP

Vcp

VCP

Output voltage

6 V< VBB < 15 V

2 * VBB – 2

V

15 V < VBB < 30 V

VBB + 9 VBB + 12.5 VBB+16

V

Cbuffer

External buffer capacitor

180

220

470

nF

Cpump

CPP CPN External pump capacitor

180

220

470

nF

PACKAGE THERMAL RESISTANCE VALUE

Rthja

NQFP

Thermal Resistance

Junction−to−Ambient

Simulated Conform JEDEC

JESD−51, 2S2P

30

K/W

Simulated Conform JEDEC

JESD−51, 1S0P

60

K/W

Rthjp

NQFP

Thermal Resistance

Junction−to−Exposed Pad

0.95

K/W

SPEED AND LOAD ANGLE OUTPUT

Vout

SLA

Output Voltage Range

0.2

VDD −

0.2

V

Voff

Output Offset SLA pin

−50

50

mV

Gsla

Gain of SLA Pin = VBEMF / VCOIL

SLAG = 0

0.5

SLAG = 1

0.25

Rout

Output Resistance SLA pin

1

kW

9. No more than 100 cumulated hours in life time above Ttw.

10.Thermal shutdown is derived from thermal warning. Characterization Data Only.

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