TS19501CB10H is a single channel LED driver of low-side-current sense. This device can operate in DCM, BCM and CCM mode with full protection and diagnostics. This device is fully dedicated and suitable for automotive headlight. This controller supports typical topologies such as Boost, Buck-Boost and SEPIC.
Output current regulation is based on average current mode control supervised by a control loop. The fault flag is connected to pull-up resistor from VDC for highlighting the information of fault and fault status flag is latched by the timer when output is low.
Key Features & Advantages
- AEC-Q100 qualified with the following results:
Device HBM ESD classification level H2
Device CDM ESD classification level C6
- Drives LEDs in Boost, Buck-Boost and SEPIC Topology
- Operation in DCM, BCM, CCM mode
- Input Voltage 4.5V ~ 38V (42V Abs. Max.)
- Adjustable Switching Frequency 70k ~ 700kHz
- Low-Side Current Sense
- Internal Voltage Reference 150mV ±3.3%
- Both PWM Dimming and Analog Dimming
- Over Voltage Protection (OVP)
- Over Current Protection (OCP)
- Over Temperature Protection (OTP)
- Under Voltage Lockout (UVLO)
- Jitter function for effective spread spectrum to reduce EMI
- Fault Status flag and Internal Soft Start
Application
- Automotive LED Lighting:
- General Lighting Applications
- High Brightness LED Applications
Lighting IC
| Part Number | TOPOLOGY |
INPUT (V) |
INPUT (V) |
LED (A) |
SWITCHING (kHz) |
DIMMING |
REFERENCE (mA) |
STANDBY (μA) |
|---|---|---|---|---|---|---|---|---|
| TS19501CB10H |
Buck-Boost, Boost, SEPIC |
4.5 | 42 | Ext. N-MOS | 700 | PWM Analog |
150 | 150 |
| Title | File |
|---|---|
| Newsletter_5-2019 | Download PDF |
