Electronic Components Datasheet Search |
|
5962-9232501VXA Datasheet(PDF) 6 Page - National Semiconductor (TI) |
|
|
5962-9232501VXA Datasheet(HTML) 6 Page - National Semiconductor (TI) |
6 / 14 page Switching Time Definitions 01056809 Pinout Description (See Connection Diagram) Pin 1, BOOTSTRAP 1 Input: Bootstrap capacitor pin for half H-bridge number 1. The recommended capacitor (10 nF) is connected between pins 1 and 2. Pin 2, OUTPUT 1: Half H-bridge number 1 output. Pin 3, DIRECTION Input: See Table 1. This input controls the direction of current flow between OUTPUT 1 and OUT- PUT 2 (pins 2 and 10) and, therefore, the direction of rotation of a motor load. Pin 4, BRAKE Input: See Table 1. This input is used to brake a motor by effectively shorting its terminals. When braking is desired, this input is taken to a logic high level and it is also necessary to apply logic high to PWM input, pin 5. The drivers that short the motor are determined by the logic level at the DIRECTION input (Pin 3): with Pin 3 logic high, both current sourcing output transistors are ON; with Pin 3 logic low, both current sinking output transistors are ON. All output transistors can be turned OFF by applying a logic high to Pin 4 and a logic low to PWM input Pin 5; in this case only a small bias current (approximately −1.5 mA) exists at each output pin. Pin 5, PWM Input: See Table 1. How this input (and DIREC- TION input, Pin 3) is used is determined by the format of the PWM Signal. Pin 6, V S Power Supply Pin 7, GROUND Connection: This pin is the ground return, and is internally connected to the mounting tab. Pin 8, CURRENT SENSE Output: This pin provides the sourcing current sensing output signal, which is typically 377 µA/A. Pin 9, THERMAL FLAG Output: This pin provides the thermal warning flag output signal. Pin 9 becomes active-low at 145˚C (junction temperature). However the chip will not shut itself down until 170˚C is reached at the junction. Pin 10, OUTPUT 2: Half H-bridge number 2 output. Pin 11, BOOTSTRAP 2 Input: Bootstrap capacitor pin for Half H-bridge number 2. The recommended capacitor (10 nF) is connected between pins 10 and 11. TABLE 1. Logic Truth Table PWM Dir Brake Active Output Drivers H H L Source 1, Sink 2 H L L Sink 1, Source 2 L X L Source 1, Source 2 H H H Source 1, Source 2 H L H Sink 1, Sink 2 L X H NONE Application Information TYPES OF PWM SIGNALS The LMD18200 readily interfaces with different forms of PWM signals. Use of the part with two of the more popular forms of PWM is described in the following paragraphs. Simple, locked anti-phase PWM consists of a single, vari- able duty-cycle signal in which is encoded both direction and amplitude information (see Figure 2). A 50% duty-cycle PWM signal represents zero drive, since the net value of voltage (integrated over one period) delivered to the load is zero. For the LMD18200, the PWM signal drives the direc- tion input (pin 3) and the PWM input (pin 5) is tied to logic high. www.national.com 6 |
Similar Part No. - 5962-9232501VXA |
|
Similar Description - 5962-9232501VXA |
|
|
Link URL |
Privacy Policy |
ALLDATASHEET.NET |
Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Contact us | Privacy Policy | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |