L6258 STMicroelectronics, L6258 Datasheet - Page 7

• Manufacturer Part Number: L6258
• Manufacturer: STMicroelectronics

Specifications of L6258

• Operating Current: 15mA
• Motor Controller Type: PWM Motor Controller
• Package Type: PowerSO
• Operating Supply Voltage (min): 12V
• Operating Supply Voltage (typ): 34V
• Operating Supply Voltage (max): 5.25V
• Lead Free Status / Rohs Status: Not Compliant

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