L6258

Manufacturer Part NumberL6258
ManufacturerSTMicroelectronics
L6258 datasheet
 


Specifications of L6258

Operating Current15mAMotor Controller TypePWM Motor Controller
Package TypePowerSOOperating Supply Voltage (min)12V
Operating Supply Voltage (typ)34VOperating Supply Voltage (max)5.25V
Lead Free Status / Rohs StatusNot Compliant  
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L6258
Table 3.
Pin functions (continued)
Pin #
8
9
10
11
12
13, 31
14
15
16
18, 19
20, 35
21
22
23
24
25
26, 28
27
29
30
32
33
34
Note:
The number in parenthesis shows the relevant Power Bridge of the circuit. Pins 18, 19, 1
and 36 are connected together.
Name
V
(5V)
Supply voltage input for logic circuitry
DD
GND
Power ground connection of the internal charge pump circuit
V
Charge pump oscillator output
CP1
V
Input for external charge pump capacitor
CP2
V
Overvoltage input for driving of the upper DMOS
BOOT
Supply voltage input for output stage. They are shorted
V
S
internally
OUT2A
Bridge output connection (2)
Logic input of the internal DAC (2). The output voltage of the
I
DAC is a percentage of the VRef voltage applied according
0_2
to the truth
Table 5 on page
I
See pin 15
1_2
Ground connection. They also conduct heat from die to
PWR_GND
printed circuit copper
SENSE2, SENSE1 Negative input of the transconductance input amplifier (2, 1)
Bridge output connection and positive input of the
OUT2B
tranconductance (2)
I
See pin 15
3_2
I
See pin 15
2_2
EA_OUT_2
Error amplifier output (2)
EA_IN_2
Negative input of error amplifier (2)
Reference voltages for the internal DACs, determining the
V
, V
output current value. Output current also depends on the
REF2
REF1
logic inputs of the DAC and on the sensing resistor value
SIG_GND
Signal ground connection
EA_IN_1
Negative input of error amplifier (1)
EA_OUT_1
Error amplifier output (1)
I
See pin 3
2_1
I
See pin 3
3_1
Bridge output connection and positive input of the
OUT1B
tranconductance (1)
Block diagram
Description
12.
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